diff --git a/src/data/items.h b/src/data/items.h
index 45f9d056b..ad42737af 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -1208,6 +1208,19 @@ const struct Item gItems[] =
         .secondaryId = 0,
     },
 
+    [ITEM_ABILITY_CAPSULE] =
+    {
+        .name = _("Ab. Capsule"),
+        .itemId = ITEM_ABILITY_CAPSULE,
+        .price = 10000,
+        .holdEffectParam = 0,
+        .description = sAbilityCapsuleDesc,
+        .pocket = POCKET_ITEMS,
+        .type = 4,
+        .fieldUseFunc = ItemUseOutOfBattle_CannotUse, // Placeholder
+        .secondaryId = 0,
+    },
+
     [ITEM_ESCAPE_ROPE] =
     {
         .name = _("Escape Rope"),
@@ -1307,6 +1320,54 @@ const struct Item gItems[] =
         .secondaryId = 0,
     },
 
+    [ITEM_DAWN_STONE] =
+    {
+        .name = _("Dawn Stone"),
+        .itemId = ITEM_DAWN_STONE,
+        .price = 2100,
+        .description = sDawnStoneDesc,
+        .pocket = POCKET_ITEMS,
+        .type = 1,
+        .fieldUseFunc = ItemUseOutOfBattle_EvolutionStone,
+        .secondaryId = 0,
+    },
+
+    [ITEM_DUSK_STONE] =
+    {
+        .name = _("Dusk Stone"),
+        .itemId = ITEM_DUSK_STONE,
+        .price = 2100,
+        .description = sDuskStoneDesc,
+        .pocket = POCKET_ITEMS,
+        .type = 1,
+        .fieldUseFunc = ItemUseOutOfBattle_EvolutionStone,
+        .secondaryId = 0,
+    },
+
+    [ITEM_SHINY_STONE] =
+    {
+        .name = _("Shiny Stone"),
+        .itemId = ITEM_SHINY_STONE,
+        .price = 2100,
+        .description = sShinyStoneDesc,
+        .pocket = POCKET_ITEMS,
+        .type = 1,
+        .fieldUseFunc = ItemUseOutOfBattle_EvolutionStone,
+        .secondaryId = 0,
+    },
+
+    [ITEM_ICE_STONE] =
+    {
+        .name = _("Ice Stone"),
+        .itemId = ITEM_ICE_STONE,
+        .price = 2100,
+        .description = sIceStoneDesc,
+        .pocket = POCKET_ITEMS,
+        .type = 1,
+        .fieldUseFunc = ItemUseOutOfBattle_EvolutionStone,
+        .secondaryId = 0,
+    },
+
 // Valuable items
 
     [ITEM_TINY_MUSHROOM] =
diff --git a/src/data/text/item_descriptions.h b/src/data/text/item_descriptions.h
index 813753505..3959afc77 100644
--- a/src/data/text/item_descriptions.h
+++ b/src/data/text/item_descriptions.h
@@ -428,6 +428,10 @@ static const u8 sMaxRepelDesc[] = _(
     "POKéMON for 250\n"
     "steps.");
 
+static const u8 sAbilityCapsuleDesc[] = _(
+    "Switches a POKé-\n"
+    "MON's ability.");
+
 static const u8 sEscapeRopeDesc[] = _(
     "Use to escape\n"
     "instantly from a\n"
@@ -469,6 +473,26 @@ static const u8 sLeafStoneDesc[] = _(
     "species of POKéMON\n"
     "evolve.");
 
+static const u8 sDawnStoneDesc[] = _(
+    "Makes certain\n"
+    "species of POKéMON\n"
+    "evolve.");
+
+static const u8 sDuskStoneDesc[] = _(
+    "Makes certain\n"
+    "species of POKéMON\n"
+    "evolve.");
+
+static const u8 sShinyStoneDesc[] = _(
+    "Makes certain\n"
+    "species of POKéMON\n"
+    "evolve.");
+
+static const u8 sIceStoneDesc[] = _(
+    "Makes certain\n"
+    "species of POKéMON\n"
+    "evolve.");
+
 // Valuable items
 static const u8 sTinyMushroomDesc[] = _(
     "A plain mushroom\n"