add z crystal and z ring

graphics/items/icon_palettes/aloraichium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 189 65
+205 131 65
+255 255 222
+255 222 106
+255 255 197
+180 131 49
+139 90 49
+246 172 65
+180 156 74
+180 172 156
+164 90 65
+180 172 139
+0 0 0
+0 0 0

graphics/items/icon_palettes/buginium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+57 157 49
+173 181 165
+99 197 57
+149 173 115
+49 123 33
+91 189 57
+213 247 165
+65 173 49
+247 255 239
+49 49 49
+149 223 83
+65 139 41
+99 157 57
+57 131 33
+0 0 0

graphics/items/icon_palettes/darkinium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+74 57 90
+98 74 98
+115 90 106
+213 197 189
+180 156 156
+65 49 65
+90 74 98
+82 65 74
+148 139 131
+65 49 82
+49 41 57
+90 65 90
+123 106 106
+0 0 0

graphics/items/icon_palettes/decidium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+57 164 24
+49 131 49
+74 205 0
+238 255 213
+131 255 24
+41 115 16
+32 90 32
+49 148 0
+57 156 32
+164 180 148
+49 106 57
+90 180 16
+0 0 0
+0 0 0

graphics/items/icon_palettes/dragonium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+0 148 172
+8 115 156
+246 246 246
+164 213 222
+32 164 180
+0 106 115
+24 115 131
+41 82 131
+0 139 164
+8 115 148
+172 172 172
+8 82 106
+115 148 148
+0 0 0

graphics/items/icon_palettes/eevium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+148 90 49
+180 123 49
+222 156 74
+255 255 246
+131 82 32
+246 222 205
+106 65 32
+180 172 172
+139 74 57
+172 106 49
+156 106 49
+172 156 139
+0 0 0
+0 0 0

graphics/items/icon_palettes/electrium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+246 172 0
+213 131 8
+255 213 8
+255 255 246
+255 246 139
+197 106 16
+238 164 0
+172 123 0
+180 180 172
+180 172 98
+180 148 8
+148 90 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/fairium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+180 74 98
+255 123 156
+255 246 255
+255 238 246
+255 156 189
+255 115 156
+180 106 131
+172 82 106
+123 57 65
+230 106 131
+123 49 65
+180 172 172
+180 164 172
+0 0 0

graphics/items/icon_palettes/fightinium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 139 49
+230 98 32
+255 246 213
+255 148 49
+255 205 131
+180 98 32
+180 106 32
+156 74 24
+255 131 41
+189 65 24
+180 172 148
+180 139 90
+0 0 0
+0 0 0

graphics/items/icon_palettes/firium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 65 65
+197 32 32
+255 246 213
+255 106 98
+255 189 172
+139 24 24
+172 49 41
+180 74 65
+238 57 57
+164 16 16
+172 41 41
+180 131 123
+180 172 148
+0 0 0

graphics/items/icon_palettes/flyinium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+0 131 222
+8 90 197
+16 172 238
+213 255 255
+115 222 255
+0 90 148
+0 123 213
+8 123 164
+24 74 180
+148 172 180
+8 65 131
+82 156 180
+0 0 0
+0 0 0

graphics/items/icon_palettes/ghostium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+139 90 148
+172 106 164
+197 139 180
+255 246 246
+230 197 213
+164 106 164
+115 74 115
+131 90 123
+172 172 172
+156 98 156
+123 74 131
+98 57 98
+156 131 148
+82 49 90

graphics/items/icon_palettes/grassium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+57 164 24
+49 131 49
+74 205 0
+238 255 213
+131 255 24
+41 115 16
+49 148 0
+164 180 148
+49 106 57
+57 156 32
+32 90 32
+90 180 16
+0 0 0
+0 0 0

graphics/items/icon_palettes/groundium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+222 98 41
+180 74 49
+246 139 65
+255 222 180
+255 246 222
+156 57 57
+156 65 24
+213 90 41
+172 98 49
+180 172 156
+123 49 32
+180 156 123
+0 0 0
+0 0 0

graphics/items/icon_palettes/icium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+98 172 246
+41 123 205
+139 213 255
+255 255 255
+172 246 238
+65 115 172
+32 82 148
+16 98 189
+82 148 230
+98 148 180
+180 180 180
+123 172 164
+0 0 0
+0 0 0

graphics/items/icon_palettes/incinium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 65 65
+197 32 32
+255 106 98
+255 246 213
+139 24 24
+172 49 41
+255 189 172
+180 74 65
+180 172 148
+164 16 16
+238 57 57
+172 41 41
+180 131 123
+0 0 0

graphics/items/icon_palettes/kommonium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+246 238 222
+205 197 139
+180 164 82
+156 131 24
+230 222 180
+131 123 74
+172 172 156
+115 106 32
+156 148 106
+148 123 8
+189 172 106
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/lunalium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+222 213 213
+156 139 180
+98 65 139
+131 98 156
+189 172 197
+98 82 123
+156 156 156
+115 106 131
+82 57 106
+139 115 164
+82 49 123
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/lycanium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+238 222 205
+189 156 139
+156 115 98
+131 82 65
+213 189 172
+172 156 156
+98 74 57
+115 90 82
+139 115 106
+115 65 49
+164 131 115
+123 98 90
+0 0 0
+0 0 0

graphics/items/icon_palettes/marshadium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+57 172 139
+49 131 123
+82 230 180
+222 255 238
+255 255 255
+172 180 172
+57 156 123
+32 90 82
+41 123 98
+57 156 131
+41 98 115
+41 115 98
+156 180 164
+0 0 0

graphics/items/icon_palettes/mewnium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 180 197
+180 123 164
+255 205 213
+255 255 246
+255 230 230
+238 164 189
+131 82 139
+156 90 131
+213 139 148
+197 189 180
+205 156 164
+197 172 172
+213 131 148
+0 0 0

graphics/items/icon_palettes/mimikium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+255 255 238
+246 238 189
+205 189 123
+164 156 74
+255 255 222
+123 115 65
+180 180 172
+148 139 98
+172 172 139
+213 205 148
+156 139 57
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/normalium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+131 157 157
+189 223 231
+157 197 197
+83 115 123
+161 179 181
+115 139 149
+157 165 165
+255 255 255
+75 99 107
+49 49 49
+223 231 239
+173 205 213
+123 165 173
+107 123 131
+107 149 149

graphics/items/icon_palettes/pikanium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+213 131 8
+246 172 0
+255 255 246
+255 246 139
+255 213 8
+180 148 8
+172 123 0
+197 106 16
+238 164 0
+148 90 0
+180 180 172
+180 172 98
+0 0 0
+0 0 0

graphics/items/icon_palettes/pikashunium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 230 49
+148 106 0
+255 205 8
+189 148 24
+230 180 8
+255 246 139
+255 246 189
+180 148 0
+180 156 24
+213 172 24
+180 172 106
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/poisonium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+164 98 213
+131 74 180
+205 131 246
+246 222 246
+255 255 238
+115 65 148
+106 57 164
+148 82 197
+90 49 123
+148 90 172
+180 172 164
+172 156 172
+0 0 0
+0 0 0

graphics/items/icon_palettes/primarium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+41 156 230
+8 115 213
+230 255 255
+156 255 246
+98 197 255
+0 82 148
+65 139 180
+164 180 180
+0 90 197
+24 139 222
+32 106 164
+106 180 172
+24 106 164
+0 0 0

graphics/items/icon_palettes/psychium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+255 98 164
+238 65 139
+255 148 189
+255 246 246
+255 197 255
+180 65 115
+164 41 98
+255 82 156
+180 41 131
+172 98 131
+180 172 172
+180 131 180
+0 0 0
+0 0 0

graphics/items/icon_palettes/rockium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+156 123 98
+131 90 65
+255 246 222
+189 156 131
+238 222 197
+106 82 65
+90 57 49
+131 106 90
+148 106 90
+115 74 49
+164 156 131
+180 172 156
+0 0 0
+0 0 0

graphics/items/icon_palettes/snorlium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+82 139 172
+65 106 148
+98 164 205
+246 255 246
+57 98 123
+213 230 238
+41 74 106
+65 115 139
+172 172 172
+57 90 139
+74 131 164
+148 164 164
+0 0 0
+0 0 0

graphics/items/icon_palettes/solganium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+255 172 65
+255 246 205
+222 82 32
+255 131 16
+255 205 131
+180 172 148
+180 98 24
+255 148 16
+197 65 41
+156 65 32
+180 131 57
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/steelium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+131 131 172
+106 106 156
+156 156 189
+255 255 238
+238 230 230
+74 74 106
+90 90 115
+98 98 148
+123 123 164
+180 180 164
+106 106 131
+164 164 156
+0 0 0
+0 0 0

graphics/items/icon_palettes/tapunium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+222 205 57
+205 172 41
+255 255 156
+238 230 90
+255 255 230
+156 139 41
+164 156 65
+180 180 156
+139 123 24
+189 139 32
+222 197 49
+180 180 106
+0 0 0
+0 0 0

graphics/items/icon_palettes/ultranecrozium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+32 32 32
+255 246 205
+255 255 238
+180 156 98
+222 205 156
+255 255 230
+180 180 172
+156 148 115
+131 115 82
+230 222 172
+164 131 65
+180 180 148
+0 0 0
+0 0 0
+0 0 0

graphics/items/icon_palettes/waterium_z.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+49 49 49
+41 156 230
+8 115 213
+98 197 255
+230 255 255
+156 255 246
+24 139 222
+0 90 197
+0 82 148
+32 106 164
+65 139 180
+164 180 180
+24 106 164
+106 180 172
+0 0 0

graphics/items/icon_palettes/z_ring.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+200 191 231
+90 74 90
+131 131 139
+139 172 189
+49 49 49
+222 255 255
+197 222 213
+139 156 180
+255 255 255
+238 246 246
+106 98 106
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0

include/constants/hold_effects.h

@@ -135,6 +135,7 @@
 #define HOLD_EFFECT_ADRENALINE_ORB   152
 #define HOLD_EFFECT_MEMORY           153
 #define HOLD_EFFECT_PLATE            154
+#define HOLD_EFFECT_Z_CRYSTAL        155
 
 #define HOLD_EFFECT_CHOICE(holdEffect)((holdEffect == HOLD_EFFECT_CHOICE_BAND || holdEffect == HOLD_EFFECT_CHOICE_SCARF || holdEffect == HOLD_EFFECT_CHOICE_SPECS))
 

include/constants/items.h

@@ -656,7 +656,44 @@
 #define ITEM_SHINY_CHARM 566
 #define ITEM_OVAL_CHARM 567
 
-#define ITEMS_COUNT 568
+// Z Crystals
+#define ITEM_Z_RING                   568
+#define ITEM_NORMALIUM_Z              569
+#define ITEM_FIGHTINIUM_Z             570
+#define ITEM_FLYINIUM_Z               571
+#define ITEM_POISONIUM_Z              572
+#define ITEM_GROUNDIUM_Z              573
+#define ITEM_ROCKIUM_Z                574
+#define ITEM_BUGINIUM_Z               575
+#define ITEM_GHOSTIUM_Z               576
+#define ITEM_STEELIUM_Z               577
+#define ITEM_FIRIUM_Z                 578
+#define ITEM_WATERIUM_Z               579
+#define ITEM_GRASSIUM_Z               580
+#define ITEM_ELECTRIUM_Z              581
+#define ITEM_PSYCHIUM_Z               582
+#define ITEM_ICIUM_Z                  583
+#define ITEM_DRAGONIUM_Z              584
+#define ITEM_DARKINIUM_Z              585
+#define ITEM_FAIRIUM_Z                586
+#define ITEM_ALORAICHIUM_Z            587
+#define ITEM_DECIDIUM_Z               588
+#define ITEM_EEVIUM_Z                 589
+#define ITEM_INCINIUM_Z               590
+#define ITEM_KOMMONIUM_Z              591
+#define ITEM_LUNALIUM_Z               592
+#define ITEM_LYCANIUM_Z               593
+#define ITEM_MARSHADIUM_Z             594
+#define ITEM_MEWNIUM_Z                595
+#define ITEM_MIMIKIUM_Z               596
+#define ITEM_PIKANIUM_Z               597
+#define ITEM_PIKASHUNIUM_Z            598
+#define ITEM_PRIMARIUM_Z              599
+#define ITEM_SNORLIUM_Z               600
+#define ITEM_SOLGANIUM_Z              601
+#define ITEM_TAPUNIUM_Z               602
+
+#define ITEMS_COUNT 603
 #define ITEM_FIELD_ARROW ITEMS_COUNT
 
 #define FIRST_BERRY_INDEX             ITEM_CHERI_BERRY

include/graphics.h

@@ -4402,6 +4402,77 @@ extern const u32 gItemIcon_WaterMemory[];
 extern const u32 gItemIconPalette_WaterMemory[];
 extern const u32 gItemIconPalette_BugTMHM[];
 extern const u32 gItemIconPalette_FairyTMHM[];
+//Z Crystals
+extern const u32 gItemIcon_ZRing[];
+extern const u32 gItemIconPalette_ZRing[];
+extern const u32 gItemIcon_NormaliumZ[];
+extern const u32 gItemIconPalette_NormaliumZ[];
+extern const u32 gItemIcon_FightiniumZ[];
+extern const u32 gItemIconPalette_FightiniumZ[];
+extern const u32 gItemIcon_FlyiniumZ[];
+extern const u32 gItemIconPalette_FlyiniumZ[];
+extern const u32 gItemIcon_PoisoniumZ[];
+extern const u32 gItemIconPalette_PoisoniumZ[];
+extern const u32 gItemIcon_GroundiumZ[];
+extern const u32 gItemIconPalette_GroundiumZ[];
+extern const u32 gItemIcon_RockiumZ[];
+extern const u32 gItemIconPalette_RockiumZ[];
+extern const u32 gItemIcon_BuginiumZ[];
+extern const u32 gItemIconPalette_BuginiumZ[];
+extern const u32 gItemIcon_GhostiumZ[];
+extern const u32 gItemIconPalette_GhostiumZ[];
+extern const u32 gItemIcon_SteeliumZ[];
+extern const u32 gItemIconPalette_SteeliumZ[];
+extern const u32 gItemIcon_FiriumZ[];
+extern const u32 gItemIconPalette_FiriumZ[];
+extern const u32 gItemIcon_WateriumZ[];
+extern const u32 gItemIconPalette_WateriumZ[];
+extern const u32 gItemIcon_GrassiumZ[];
+extern const u32 gItemIconPalette_GrassiumZ[];
+extern const u32 gItemIcon_ElectriumZ[];
+extern const u32 gItemIconPalette_ElectriumZ[];
+extern const u32 gItemIcon_PsychiumZ[];
+extern const u32 gItemIconPalette_PsychiumZ[];
+extern const u32 gItemIcon_IciumZ[];
+extern const u32 gItemIconPalette_IciumZ[];
+extern const u32 gItemIcon_DragoniumZ[];
+extern const u32 gItemIconPalette_DragoniumZ[];
+extern const u32 gItemIcon_DarkiniumZ[];
+extern const u32 gItemIconPalette_DarkiniumZ[];
+extern const u32 gItemIcon_FairiumZ[];
+extern const u32 gItemIconPalette_FairiumZ[];
+extern const u32 gItemIcon_AloraichiumZ[];
+extern const u32 gItemIconPalette_AloraichiumZ[];
+extern const u32 gItemIcon_DecidiumZ[];
+extern const u32 gItemIconPalette_DecidiumZ[];
+extern const u32 gItemIcon_EeviumZ[];
+extern const u32 gItemIconPalette_EeviumZ[];
+extern const u32 gItemIcon_InciniumZ[];
+extern const u32 gItemIconPalette_InciniumZ[];
+extern const u32 gItemIcon_KommoniumZ[];
+extern const u32 gItemIconPalette_KommoniumZ[];
+extern const u32 gItemIcon_LunaliumZ[];
+extern const u32 gItemIconPalette_LunaliumZ[];
+extern const u32 gItemIcon_LycaniumZ[];
+extern const u32 gItemIconPalette_LycaniumZ[];
+extern const u32 gItemIcon_MarshadiumZ[];
+extern const u32 gItemIconPalette_MarshadiumZ[];
+extern const u32 gItemIcon_MewniumZ[];
+extern const u32 gItemIconPalette_MewniumZ[];
+extern const u32 gItemIcon_MimikiumZ[];
+extern const u32 gItemIconPalette_MimikiumZ[];
+extern const u32 gItemIcon_PikaniumZ[];
+extern const u32 gItemIconPalette_PikaniumZ[];
+extern const u32 gItemIcon_PikashuniumZ[];
+extern const u32 gItemIconPalette_PikashuniumZ[];
+extern const u32 gItemIcon_PrimariumZ[];
+extern const u32 gItemIconPalette_PrimariumZ[];
+extern const u32 gItemIcon_SnorliumZ[];
+extern const u32 gItemIconPalette_SnorliumZ[];
+extern const u32 gItemIcon_SolganiumZ[];
+extern const u32 gItemIconPalette_SolganiumZ[];
+extern const u32 gItemIcon_TapuniumZ[];
+extern const u32 gItemIconPalette_TapuniumZ[];
 
 extern const u32 gItemIcon_ReturnToFieldArrow[];
 extern const u32 gItemIconPalette_ReturnToFieldArrow[];

src/data/graphics/items.h

@@ -1520,3 +1520,110 @@ const u32 gItemIconPalette_WaterMemory[] = INCBIN_U32("graphics/items/icon_palet
 const u32 gItemIconPalette_BugTMHM[] = INCBIN_U32("graphics/items/icon_palettes/bug_tm_hm.gbapal.lz");
 
 const u32 gItemIconPalette_FairyTMHM[] = INCBIN_U32("graphics/items/icon_palettes/fairy_tm_hm.gbapal.lz");
+
+//// Z Crystals
+const u32 gItemIcon_ZRing[] = INCBIN_U32("graphics/items/icons/z_ring.4bpp.lz");
+const u32 gItemIconPalette_ZRing[] = INCBIN_U32("graphics/items/icon_palettes/z_ring.gbapal.lz");
+
+const u32 gItemIcon_NormaliumZ[] = INCBIN_U32("graphics/items/icons/normalium_z.4bpp.lz");
+const u32 gItemIconPalette_NormaliumZ[] = INCBIN_U32("graphics/items/icon_palettes/normalium_z.gbapal.lz");
+
+const u32 gItemIcon_FightiniumZ[] = INCBIN_U32("graphics/items/icons/fightinium_z.4bpp.lz");
+const u32 gItemIconPalette_FightiniumZ[] = INCBIN_U32("graphics/items/icon_palettes/fightinium_z.gbapal.lz");
+
+const u32 gItemIcon_FlyiniumZ[] = INCBIN_U32("graphics/items/icons/flyinium_z.4bpp.lz");
+const u32 gItemIconPalette_FlyiniumZ[] = INCBIN_U32("graphics/items/icon_palettes/flyinium_z.gbapal.lz");
+
+const u32 gItemIcon_PoisoniumZ[] = INCBIN_U32("graphics/items/icons/poisonium_z.4bpp.lz");
+const u32 gItemIconPalette_PoisoniumZ[] = INCBIN_U32("graphics/items/icon_palettes/poisonium_z.gbapal.lz");
+
+const u32 gItemIcon_GroundiumZ[] = INCBIN_U32("graphics/items/icons/groundium_z.4bpp.lz");
+const u32 gItemIconPalette_GroundiumZ[] = INCBIN_U32("graphics/items/icon_palettes/groundium_z.gbapal.lz");
+
+const u32 gItemIcon_RockiumZ[] = INCBIN_U32("graphics/items/icons/rockium_z.4bpp.lz");
+const u32 gItemIconPalette_RockiumZ[] = INCBIN_U32("graphics/items/icon_palettes/rockium_z.gbapal.lz");
+
+const u32 gItemIcon_BuginiumZ[] = INCBIN_U32("graphics/items/icons/buginium_z.4bpp.lz");
+const u32 gItemIconPalette_BuginiumZ[] = INCBIN_U32("graphics/items/icon_palettes/buginium_z.gbapal.lz");
+
+const u32 gItemIcon_GhostiumZ[] = INCBIN_U32("graphics/items/icons/ghostium_z.4bpp.lz");
+const u32 gItemIconPalette_GhostiumZ[] = INCBIN_U32("graphics/items/icon_palettes/ghostium_z.gbapal.lz");
+
+const u32 gItemIcon_SteeliumZ[] = INCBIN_U32("graphics/items/icons/steelium_z.4bpp.lz");
+const u32 gItemIconPalette_SteeliumZ[] = INCBIN_U32("graphics/items/icon_palettes/steelium_z.gbapal.lz");
+
+const u32 gItemIcon_FiriumZ[] = INCBIN_U32("graphics/items/icons/firium_z.4bpp.lz");
+const u32 gItemIconPalette_FiriumZ[] = INCBIN_U32("graphics/items/icon_palettes/firium_z.gbapal.lz");
+
+const u32 gItemIcon_WateriumZ[] = INCBIN_U32("graphics/items/icons/waterium_z.4bpp.lz");
+const u32 gItemIconPalette_WateriumZ[] = INCBIN_U32("graphics/items/icon_palettes/waterium_z.gbapal.lz");
+
+const u32 gItemIcon_GrassiumZ[] = INCBIN_U32("graphics/items/icons/grassium_z.4bpp.lz");
+const u32 gItemIconPalette_GrassiumZ[] = INCBIN_U32("graphics/items/icon_palettes/grassium_z.gbapal.lz");
+
+const u32 gItemIcon_ElectriumZ[] = INCBIN_U32("graphics/items/icons/electrium_z.4bpp.lz");
+const u32 gItemIconPalette_ElectriumZ[] = INCBIN_U32("graphics/items/icon_palettes/electrium_z.gbapal.lz");
+
+const u32 gItemIcon_PsychiumZ[] = INCBIN_U32("graphics/items/icons/psychium_z.4bpp.lz");
+const u32 gItemIconPalette_PsychiumZ[] = INCBIN_U32("graphics/items/icon_palettes/psychium_z.gbapal.lz");
+
+const u32 gItemIcon_IciumZ[] = INCBIN_U32("graphics/items/icons/icium_z.4bpp.lz");
+const u32 gItemIconPalette_IciumZ[] = INCBIN_U32("graphics/items/icon_palettes/icium_z.gbapal.lz");
+
+const u32 gItemIcon_DragoniumZ[] = INCBIN_U32("graphics/items/icons/dragonium_z.4bpp.lz");
+const u32 gItemIconPalette_DragoniumZ[] = INCBIN_U32("graphics/items/icon_palettes/dragonium_z.gbapal.lz");
+
+const u32 gItemIcon_DarkiniumZ[] = INCBIN_U32("graphics/items/icons/darkinium_z.4bpp.lz");
+const u32 gItemIconPalette_DarkiniumZ[] = INCBIN_U32("graphics/items/icon_palettes/darkinium_z.gbapal.lz");
+
+const u32 gItemIcon_FairiumZ[] = INCBIN_U32("graphics/items/icons/fairium_z.4bpp.lz");
+const u32 gItemIconPalette_FairiumZ[] = INCBIN_U32("graphics/items/icon_palettes/fairium_z.gbapal.lz");
+
+const u32 gItemIcon_AloraichiumZ[] = INCBIN_U32("graphics/items/icons/aloraichium_z.4bpp.lz");
+const u32 gItemIconPalette_AloraichiumZ[] = INCBIN_U32("graphics/items/icon_palettes/aloraichium_z.gbapal.lz");
+
+const u32 gItemIcon_DecidiumZ[] = INCBIN_U32("graphics/items/icons/decidium_z.4bpp.lz");
+const u32 gItemIconPalette_DecidiumZ[] = INCBIN_U32("graphics/items/icon_palettes/decidium_z.gbapal.lz");
+
+const u32 gItemIcon_EeviumZ[] = INCBIN_U32("graphics/items/icons/eevium_z.4bpp.lz");
+const u32 gItemIconPalette_EeviumZ[] = INCBIN_U32("graphics/items/icon_palettes/eevium_z.gbapal.lz");
+
+const u32 gItemIcon_InciniumZ[] = INCBIN_U32("graphics/items/icons/incinium_z.4bpp.lz");
+const u32 gItemIconPalette_InciniumZ[] = INCBIN_U32("graphics/items/icon_palettes/incinium_z.gbapal.lz");
+
+const u32 gItemIcon_KommoniumZ[] = INCBIN_U32("graphics/items/icons/kommonium_z.4bpp.lz");
+const u32 gItemIconPalette_KommoniumZ[] = INCBIN_U32("graphics/items/icon_palettes/kommonium_z.gbapal.lz");
+
+const u32 gItemIcon_LunaliumZ[] = INCBIN_U32("graphics/items/icons/lunalium_z.4bpp.lz");
+const u32 gItemIconPalette_LunaliumZ[] = INCBIN_U32("graphics/items/icon_palettes/lunalium_z.gbapal.lz");
+
+const u32 gItemIcon_LycaniumZ[] = INCBIN_U32("graphics/items/icons/lycanium_z.4bpp.lz");
+const u32 gItemIconPalette_LycaniumZ[] = INCBIN_U32("graphics/items/icon_palettes/lycanium_z.gbapal.lz");
+
+const u32 gItemIcon_MarshadiumZ[] = INCBIN_U32("graphics/items/icons/marshadium_z.4bpp.lz");
+const u32 gItemIconPalette_MarshadiumZ[] = INCBIN_U32("graphics/items/icon_palettes/marshadium_z.gbapal.lz");
+
+const u32 gItemIcon_MewniumZ[] = INCBIN_U32("graphics/items/icons/mewnium_z.4bpp.lz");
+const u32 gItemIconPalette_MewniumZ[] = INCBIN_U32("graphics/items/icon_palettes/mewnium_z.gbapal.lz");
+
+const u32 gItemIcon_MimikiumZ[] = INCBIN_U32("graphics/items/icons/mimikium_z.4bpp.lz");
+const u32 gItemIconPalette_MimikiumZ[] = INCBIN_U32("graphics/items/icon_palettes/mimikium_z.gbapal.lz");
+
+const u32 gItemIcon_PikaniumZ[] = INCBIN_U32("graphics/items/icons/pikanium_z.4bpp.lz");
+const u32 gItemIconPalette_PikaniumZ[] = INCBIN_U32("graphics/items/icon_palettes/pikanium_z.gbapal.lz");
+
+const u32 gItemIcon_PikashuniumZ[] = INCBIN_U32("graphics/items/icons/pikashunium_z.4bpp.lz");
+const u32 gItemIconPalette_PikashuniumZ[] = INCBIN_U32("graphics/items/icon_palettes/pikashunium_z.gbapal.lz");
+
+const u32 gItemIcon_PrimariumZ[] = INCBIN_U32("graphics/items/icons/primarium_z.4bpp.lz");
+const u32 gItemIconPalette_PrimariumZ[] = INCBIN_U32("graphics/items/icon_palettes/primarium_z.gbapal.lz");
+
+const u32 gItemIcon_SnorliumZ[] = INCBIN_U32("graphics/items/icons/snorlium_z.4bpp.lz");
+const u32 gItemIconPalette_SnorliumZ[] = INCBIN_U32("graphics/items/icon_palettes/snorlium_z.gbapal.lz");
+
+const u32 gItemIcon_SolganiumZ[] = INCBIN_U32("graphics/items/icons/solganium_z.4bpp.lz");
+const u32 gItemIconPalette_SolganiumZ[] = INCBIN_U32("graphics/items/icon_palettes/solganium_z.gbapal.lz");
+
+const u32 gItemIcon_TapuniumZ[] = INCBIN_U32("graphics/items/icons/tapunium_z.4bpp.lz");
+const u32 gItemIconPalette_TapuniumZ[] = INCBIN_U32("graphics/items/icon_palettes/tapunium_z.gbapal.lz");
+

src/data/item_icon_table.h

@@ -590,4 +590,40 @@ const u32 *const gItemIconTable[][2] =
     [ITEM_ROCK_MEMORY] = {gItemIcon_RockMemory, gItemIconPalette_RockMemory},
     [ITEM_STEEL_MEMORY] = {gItemIcon_SteelMemory, gItemIconPalette_SteelMemory},
     [ITEM_WATER_MEMORY] = {gItemIcon_WaterMemory, gItemIconPalette_WaterMemory},
+    // Z crystals
+    [ITEM_Z_RING] = {gItemIcon_ZRing, gItemIconPalette_ZRing},
+    [ITEM_NORMALIUM_Z] = {gItemIcon_NormaliumZ, gItemIconPalette_NormaliumZ},
+    [ITEM_FIGHTINIUM_Z] = {gItemIcon_FightiniumZ, gItemIconPalette_FightiniumZ},
+    [ITEM_FLYINIUM_Z] = {gItemIcon_FlyiniumZ, gItemIconPalette_FlyiniumZ},
+    [ITEM_POISONIUM_Z] = {gItemIcon_PoisoniumZ, gItemIconPalette_PoisoniumZ},
+    [ITEM_GROUNDIUM_Z] = {gItemIcon_GroundiumZ, gItemIconPalette_GroundiumZ},
+    [ITEM_ROCKIUM_Z] = {gItemIcon_RockiumZ, gItemIconPalette_RockiumZ},
+    [ITEM_BUGINIUM_Z] = {gItemIcon_BuginiumZ, gItemIconPalette_BuginiumZ},
+    [ITEM_GHOSTIUM_Z] = {gItemIcon_GhostiumZ, gItemIconPalette_GhostiumZ},
+    [ITEM_STEELIUM_Z] = {gItemIcon_SteeliumZ, gItemIconPalette_SteeliumZ},
+    [ITEM_FIRIUM_Z] = {gItemIcon_FiriumZ, gItemIconPalette_FiriumZ},
+    [ITEM_WATERIUM_Z] = {gItemIcon_WateriumZ, gItemIconPalette_WateriumZ},
+    [ITEM_GRASSIUM_Z] = {gItemIcon_GrassiumZ, gItemIconPalette_GrassiumZ},
+    [ITEM_ELECTRIUM_Z] = {gItemIcon_ElectriumZ, gItemIconPalette_ElectriumZ},
+    [ITEM_PSYCHIUM_Z] = {gItemIcon_PsychiumZ, gItemIconPalette_PsychiumZ},
+    [ITEM_ICIUM_Z] = {gItemIcon_IciumZ, gItemIconPalette_IciumZ},
+    [ITEM_DRAGONIUM_Z] = {gItemIcon_DragoniumZ, gItemIconPalette_DragoniumZ},
+    [ITEM_DARKINIUM_Z] = {gItemIcon_DarkiniumZ, gItemIconPalette_DarkiniumZ},
+    [ITEM_FAIRIUM_Z] = {gItemIcon_FairiumZ, gItemIconPalette_FairiumZ},
+    [ITEM_ALORAICHIUM_Z] = {gItemIcon_AloraichiumZ, gItemIconPalette_AloraichiumZ},
+    [ITEM_DECIDIUM_Z] = {gItemIcon_DecidiumZ, gItemIconPalette_DecidiumZ},
+    [ITEM_EEVIUM_Z] = {gItemIcon_EeviumZ, gItemIconPalette_EeviumZ},
+    [ITEM_INCINIUM_Z] = {gItemIcon_InciniumZ, gItemIconPalette_InciniumZ},
+    [ITEM_KOMMONIUM_Z] = {gItemIcon_KommoniumZ, gItemIconPalette_KommoniumZ},
+    [ITEM_LUNALIUM_Z] = {gItemIcon_LunaliumZ, gItemIconPalette_LunaliumZ},
+    [ITEM_LYCANIUM_Z] = {gItemIcon_LycaniumZ, gItemIconPalette_LycaniumZ},
+    [ITEM_MARSHADIUM_Z] = {gItemIcon_MarshadiumZ, gItemIconPalette_MarshadiumZ},
+    [ITEM_MEWNIUM_Z] = {gItemIcon_MewniumZ, gItemIconPalette_MewniumZ},
+    [ITEM_MIMIKIUM_Z] = {gItemIcon_MimikiumZ, gItemIconPalette_MimikiumZ},
+    [ITEM_PIKANIUM_Z] = {gItemIcon_PikaniumZ, gItemIconPalette_PikaniumZ},
+    [ITEM_PIKASHUNIUM_Z] = {gItemIcon_PikashuniumZ, gItemIconPalette_PikashuniumZ},
+    [ITEM_PRIMARIUM_Z] = {gItemIcon_PrimariumZ, gItemIconPalette_PrimariumZ},
+    [ITEM_SNORLIUM_Z] = {gItemIcon_SnorliumZ, gItemIconPalette_SnorliumZ},
+    [ITEM_SOLGANIUM_Z] = {gItemIcon_SolganiumZ, gItemIconPalette_SolganiumZ},
+    [ITEM_TAPUNIUM_Z] = {gItemIcon_TapuniumZ, gItemIconPalette_TapuniumZ},
 };

src/data/items.h

@@ -7588,4 +7588,567 @@ const struct Item gItems[] =
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
         .secondaryId = 0,
     },
+    
+    [ITEM_Z_RING] = 
+    {
+        .name = _("Z-Ring"),
+        .itemId = ITEM_Z_RING,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_NONE,
+        .holdEffectParam = 0,
+        .description = sZRingDesc,
+        .importance = 1,
+        .pocket = POCKET_KEY_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 0
+    },
+    [ITEM_NORMALIUM_Z] = 
+    {
+        .name = _("Normalium Z"),
+        .itemId = ITEM_NORMALIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sNormaliumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_NORMAL
+    }, 
+    [ITEM_FIGHTINIUM_Z] = 
+    {
+        .name = _("Fightinium Z"),
+        .itemId = ITEM_FIGHTINIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sFightiniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_FIGHTING
+    }, 
+    [ITEM_FLYINIUM_Z] = 
+    {
+        .name = _("Flyinium Z"),
+        .itemId = ITEM_FLYINIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sFlyiniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_FLYING
+    }, 
+    [ITEM_POISONIUM_Z] = 
+    {
+        .name = _("Poisinium Z"),
+        .itemId = ITEM_POISONIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sPoisoniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_POISON
+    }, 
+    [ITEM_GROUNDIUM_Z] = 
+    {
+        .name = _("Groundium Z"),
+        .itemId = ITEM_GROUNDIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sGroundiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_GROUND
+    }, 
+    [ITEM_ROCKIUM_Z] = 
+    {
+        .name = _("Rockium Z"),
+        .itemId = ITEM_ROCKIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sRockiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_ROCK
+    }, 
+    [ITEM_BUGINIUM_Z] = 
+    {
+        .name = _("Buginium Z"),
+        .itemId = ITEM_BUGINIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sBuginiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_BUG
+    }, 
+    [ITEM_GHOSTIUM_Z] = 
+    {
+        .name = _("Ghostium Z"),
+        .itemId = ITEM_GHOSTIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sGhostiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_GHOST
+    }, 
+    [ITEM_STEELIUM_Z] = 
+    {
+        .name = _("Steelium Z"),
+        .itemId = ITEM_STEELIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sSteeliumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_STEEL
+    }, 
+    [ITEM_FIRIUM_Z] = 
+    {
+        .name = _("Firium Z"),
+        .itemId = ITEM_FIRIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sFiriumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_FIRE
+    }, 
+    [ITEM_WATERIUM_Z] = 
+    {
+        .name = _("Waterium Z"),
+        .itemId = ITEM_WATERIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sWateriumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_WATER
+    }, 
+    [ITEM_GRASSIUM_Z] = 
+    {
+        .name = _("Grassium Z"),
+        .itemId = ITEM_GRASSIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sGrassiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_GRASS
+    }, 
+    [ITEM_ELECTRIUM_Z] = 
+    {
+        .name = _("Electrium Z"),
+        .itemId = ITEM_ELECTRIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sElectriumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_ELECTRIC
+    }, 
+    [ITEM_PSYCHIUM_Z] = 
+    {
+        .name = _("Psychium Z"),
+        .itemId = ITEM_PSYCHIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sPsychiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_PSYCHIC
+    }, 
+    [ITEM_ICIUM_Z] = 
+    {
+        .name = _("Icium Z"),
+        .itemId = ITEM_ICIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sIciumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_ICE
+    }, 
+    [ITEM_DRAGONIUM_Z] = 
+    {
+        .name = _("Dragonium Z"),
+        .itemId = ITEM_DRAGONIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sDragoniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_DRAGON
+    }, 
+    [ITEM_DARKINIUM_Z] = 
+    {
+        .name = _("Darkinium Z"),
+        .itemId = ITEM_DARKINIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sDarkiniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_DARK
+    }, 
+    [ITEM_FAIRIUM_Z] = 
+    {
+        .name = _("Fairium Z"),
+        .itemId = ITEM_FAIRIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sFairiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = TYPE_FAIRY
+    }, 
+    [ITEM_ALORAICHIUM_Z] = 
+    {
+        .name = _("Aloraichium Z"),
+        .itemId = ITEM_ALORAICHIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sAloraichiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_DECIDIUM_Z] = 
+    {
+        .name = _("Decidium Z"),
+        .itemId = ITEM_DECIDIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sDecidiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_EEVIUM_Z] = 
+    {
+        .name = _("Eevium Z"),
+        .itemId = ITEM_EEVIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sEeviumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_INCINIUM_Z] = 
+    {
+        .name = _("Incinium Z"),
+        .itemId = ITEM_INCINIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sInciniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_KOMMONIUM_Z] = 
+    {
+        .name = _("Kommonium Z"),
+        .itemId = ITEM_KOMMONIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sKommoniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_LUNALIUM_Z] = 
+    {
+        .name = _("Lunalium Z"),
+        .itemId = ITEM_LUNALIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sLunaliumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_LYCANIUM_Z] = 
+    {
+        .name = _("Lycanium Z"),
+        .itemId = ITEM_LYCANIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sLycaniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_MARSHADIUM_Z] = 
+    {
+        .name = _("Marshadium Z"),
+        .itemId = ITEM_MARSHADIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sMarshadiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_MEWNIUM_Z] = 
+    {
+        .name = _("Mewnium Z"),
+        .itemId = ITEM_MEWNIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sMewniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_MIMIKIUM_Z] = 
+    {
+        .name = _("Mimikium Z"),
+        .itemId = ITEM_MIMIKIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sMimikiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_PIKANIUM_Z] = 
+    {
+        .name = _("Pikanium Z"),
+        .itemId = ITEM_PIKANIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sPikaniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_PIKASHUNIUM_Z] = 
+    {
+        .name = _("Pikashunium Z"),
+        .itemId = ITEM_PIKASHUNIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sPikashuniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_PRIMARIUM_Z] = 
+    {
+        .name = _("Primarium Z"),
+        .itemId = ITEM_PRIMARIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sPrimariumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_SNORLIUM_Z] = 
+    {
+        .name = _("Snorlium Z"),
+        .itemId = ITEM_SNORLIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sSnorliumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_SOLGANIUM_Z] = 
+    {
+        .name = _("Solganium Z"),
+        .itemId = ITEM_SOLGANIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sSolganiumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  // signature z move
+    }, 
+    [ITEM_TAPUNIUM_Z] = 
+    {
+        .name = _("Tapunium Z"),
+        .itemId = ITEM_TAPUNIUM_Z,
+        .price = 0,
+        .holdEffect = HOLD_EFFECT_Z_CRYSTAL,
+        .holdEffectParam = 0,
+        .description = sTapuniumZDesc,
+        .importance = 0,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
+        .battleUsage = 0,
+        .battleUseFunc = NULL,
+        .secondaryId = 255  //signature z move
+    },
+    
+    
 };

src/data/text/item_descriptions.h

@@ -2829,3 +2829,178 @@ static const u8 sOvalCharmDesc[] = _(
     "of finding eggs\n"
     "at the daycare.");
 
+static const u8 sZRingDesc[] = _(
+    "A strange ring\n"
+    "that enables"
+    "Z-Move usage.");
+
+static const u8 sNormaliumZDesc[] = _(
+    "Upgrade Normal-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sFightiniumZDesc[] = _(
+    "Upgrade Fighting-\n"
+    "type moves into\n"
+    "Z-Moves.");
+    
+static const u8 sFlyiniumZDesc[] = _(
+    "Upgrade Flying-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sPoisoniumZDesc[] = _(
+    "Upgrade Poison-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sGroundiumZDesc[] = _(
+    "Upgrade Ground-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sRockiumZDesc[] = _(
+    "Upgrade Rock-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sBuginiumZDesc[] = _(
+    "Upgrade Bug-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sGhostiumZDesc[] = _(
+    "Upgrade Ghost-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sSteeliumZDesc[] = _(
+    "Upgrade Steel-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sFiriumZDesc[] = _(
+    "Upgrade Fire-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sWateriumZDesc[] = _(
+    "Upgrade Water-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sGrassiumZDesc[] = _(
+    "Upgrade Grass-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sElectriumZDesc[] = _(
+    "Upgrade Electric-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sPsychiumZDesc[] = _(
+    "Upgrade Psychic-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sIciumZDesc[] = _(
+    "Upgrade Ice-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sDragoniumZDesc[] = _(
+    "Upgrade Dragon-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sDarkiniumZDesc[] = _(
+    "Upgrade Dark-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sFairiumZDesc[] = _(
+    "Upgrade Fairy-\n"
+    "type moves into\n"
+    "Z-Moves.");
+
+static const u8 sAloraichiumZDesc[] = _(
+    "Upgrade Alolan\n"
+    "Raichu's Thunderbolt\n"
+    "into a Z-Move.");
+
+static const u8 sDecidiumZDesc[] = _(
+    "Upgrade Decidueye's\n"
+    "Spirit Shackle\n"
+    "into a Z-Move.");
+
+static const u8 sEeviumZDesc[] = _(
+    "Upgrade Eevee's\n"
+    "Last Resort\n"
+    "into a Z-Move.");
+
+static const u8 sInciniumZDesc[] = _(
+    "Upgrade Incineroar's\n"
+    "Darkest Lariat\n"
+    "into a Z-Move.");
+
+static const u8 sKommoniumZDesc[] = _(
+    "Upgrade Kommo-o's\n"
+    "Clanging Scales\n"
+    "into a Z-Move.");
+
+static const u8 sLunaliumZDesc[] = _(
+    "Upgrade Lunala's\n"
+    "Moongeist Beam\n"
+    "into a Z-Move.");
+
+static const u8 sLycaniumZDesc[] = _(
+    "Upgrade Lycanroc's\n"
+    "Stone Edge\n"
+    "into a Z-Move.");
+
+static const u8 sMarshadiumZDesc[] = _(
+    "Upgrade Marshadow's\n"
+    "Spectral Thief\n"
+    "into a Z-Move.");
+
+static const u8 sMewniumZDesc[] = _(
+    "Upgrade Mew's\n"
+    "Psychic into\n"
+    "a Z-Move.");
+
+static const u8 sMimikiumZDesc[] = _(
+    "Upgrade Mimikyu's\n"
+    "Play Rough\n"
+    "into a Z-Move.");
+
+static const u8 sPikaniumZDesc[] = _(
+    "Upgrade Pikachu's\n"
+    "Volt Tackle\n"
+    "into a Z-Move.");
+
+static const u8 sPikashuniumZDesc[] = _(
+    "Upgrade Pikachu w/\n"
+    "a cap's Thunderbolt\n"
+    "into a Z-Move.");
+
+static const u8 sPrimariumZDesc[] = _(
+    "Upgrade Primarina's\n"
+    "Sparkling Aria\n"
+    "into a Z-Move.");
+
+static const u8 sSnorliumZDesc[] = _(
+    "Upgrade Snorlax's\n"
+    "Giga Impact\n"
+    "into a Z-Move.");
+
+static const u8 sSolganiumZDesc[] = _(
+    "Upgrade Solgaleo's\n"
+    "Sunsteel Strike\n"
+    "into a Z-Move.");
+
+static const u8 sTapuniumZDesc[] = _(
+    "Upgrade the Tapu's\n"
+    "Nature's Madness\n"
+    "into a Z-Move.");
+