diff --git a/asm/macros/battle_script.inc b/asm/macros/battle_script.inc
index d6645f602..d5984c322 100644
--- a/asm/macros/battle_script.inc
+++ b/asm/macros/battle_script.inc
@@ -1566,6 +1566,10 @@
 	.macro trytrainerslidelastonmsg battler
 	various \battler, VARIOUS_TRY_TRAINER_SLIDE_MSG_LAST_ON
 	.endm
+	
+	.macro setauroraveil battler
+	various \battler, VARIOUS_SET_AURORA_VEIL
+	.endm
 
 @ helpful macros
 	.macro setstatchanger stat, stages, down
diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 657cbf421..b00669846 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -331,6 +331,13 @@ gBattleScriptsForMoveEffects:: @ 82D86A8
 	.4byte BattleScript_EffectFlowerShield
 	.4byte BattleScript_EffectHitPreventEscape
 	.4byte BattleScript_EffectSpeedSwap
+	.4byte BattleScript_EffectDefenseUp2Hit
+	.4byte BattleScript_EffectRevelationDance
+	.4byte BattleScript_EffectAuroraVeil
+	
+BattleScript_EffectDefenseUp2Hit:
+	setmoveeffect MOVE_EFFECT_DEF_PLUS_2 | MOVE_EFFECT_AFFECTS_USER
+	goto BattleScript_EffectHit
 	
 BattleScript_EffectFlowerShield:
 	attackcanceler
@@ -1579,6 +1586,7 @@ BattleScript_EffectTwoTypedMove:
 BattleScript_EffectTechnoBlast:
 BattleScript_EffectJudgment:
 BattleScript_EffectFusionCombo:
+BattleScript_EffectRevelationDance:
 	jumpifnotmove MOVE_SURF, BattleScript_HitFromAtkCanceler
 	jumpifnostatus3 BS_TARGET, STATUS3_UNDERWATER, BattleScript_HitFromAtkCanceler
 	orword gHitMarker, HITMARKER_IGNORE_UNDERWATER
@@ -2114,6 +2122,13 @@ BattleScript_ImmunityProtected::
 BattleScript_EffectPayDay::
 	setmoveeffect MOVE_EFFECT_PAYDAY
 	goto BattleScript_EffectHit
+	
+BattleScript_EffectAuroraVeil:
+	attackcanceler
+	attackstring
+	ppreduce
+	setauroraveil BS_ATTACKER
+	goto BattleScript_PrintReflectLightScreenSafeguardString
 
 BattleScript_EffectLightScreen::
 	attackcanceler
diff --git a/include/constants/battle_move_effects.h b/include/constants/battle_move_effects.h
index 1524353d3..d8cf1e6ad 100644
--- a/include/constants/battle_move_effects.h
+++ b/include/constants/battle_move_effects.h
@@ -319,5 +319,8 @@
 #define EFFECT_FLOWER_SHIELD 313
 #define EFFECT_HIT_PREVENT_ESCAPE 314
 #define EFFECT_SPEED_SWAP 315
+#define EFFECT_DEFENSE_UP2_HIT 316
+#define EFFECT_REVELATION_DANCE 317
+#define EFFECT_AURORA_VEIL 318
 
 #endif  // GUARD_CONSTANTS_BATTLE_MOVE_EFFECTS_H
diff --git a/include/constants/battle_script_commands.h b/include/constants/battle_script_commands.h
index 8d0117d67..1b9183cf4 100644
--- a/include/constants/battle_script_commands.h
+++ b/include/constants/battle_script_commands.h
@@ -123,6 +123,7 @@
 #define VARIOUS_HANDLE_TRAINER_SLIDE_MSG		68
 #define VARIOUS_TRY_TRAINER_SLIDE_MSG_FIRST_OFF 69
 #define VARIOUS_TRY_TRAINER_SLIDE_MSG_LAST_ON 	70
+#define VARIOUS_SET_AURORA_VEIL 				71
 
 // atk80, dmg manipulation
 #define ATK80_DMG_CHANGE_SIGN                               0
diff --git a/src/battle_main.c b/src/battle_main.c
index 3ffaad892..e0c7c3d1b 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -5422,6 +5422,13 @@ void SetTypeBeforeUsingMove(u16 move, u8 battlerAtk)
     {
         // TODO:
     }
+    else if (gBattleMoves[move].effect == EFFECT_REVELATION_DANCE)
+    {
+        if (gBattleMons[battlerAtk].type1 != TYPE_MYSTERY)
+            gBattleStruct->dynamicMoveType = gBattleMons[battlerAtk].type1 | 0x80;
+        else if (gBattleMons[battlerAtk].type2 != TYPE_MYSTERY)
+            gBattleStruct->dynamicMoveType = gBattleMons[battlerAtk].type2 | 0x80;
+    }
 
     attackerAbility = GetBattlerAbility(battlerAtk);
     GET_MOVE_TYPE(move, moveType);
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index d8bf50be1..cb95fb6fa 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -7109,6 +7109,27 @@ static void atk76_various(void)
             return;
         }
         break;
+    case VARIOUS_SET_AURORA_VEIL:
+        if (gSideStatuses[GET_BATTLER_SIDE(gActiveBattler)] & SIDE_STATUS_AURORA_VEIL)
+        {
+            gMoveResultFlags |= MOVE_RESULT_MISSED;
+            gBattleCommunication[MULTISTRING_CHOOSER] = 0;
+        }
+        else
+        {
+            gSideStatuses[GET_BATTLER_SIDE(gActiveBattler)] |= SIDE_STATUS_AURORA_VEIL;
+            if (GetBattlerHoldEffect(gActiveBattler, TRUE) == HOLD_EFFECT_LIGHT_CLAY)
+                gSideTimers[GET_BATTLER_SIDE(gActiveBattler)].auroraVeilTimer = 8;
+            else
+                gSideTimers[GET_BATTLER_SIDE(gActiveBattler)].auroraVeilTimer = 5;
+            gSideTimers[GET_BATTLER_SIDE(gActiveBattler)].auroraVeilBattlerId = gActiveBattler;
+
+            if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && CountAliveMonsInBattle(BATTLE_ALIVE_ATK_SIDE) == 2)
+                gBattleCommunication[MULTISTRING_CHOOSER] = 5;
+            else
+                gBattleCommunication[MULTISTRING_CHOOSER] = 5;
+        }
+        break;
     }
 
     gBattlescriptCurrInstr += 3;
@@ -7331,7 +7352,10 @@ static void atk7E_setreflect(void)
     else
     {
         gSideStatuses[GET_BATTLER_SIDE(gBattlerAttacker)] |= SIDE_STATUS_REFLECT;
-        gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].reflectTimer = 5;
+        if (GetBattlerHoldEffect(gBattlerAttacker, TRUE) == HOLD_EFFECT_LIGHT_CLAY)
+            gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].reflectTimer = 8;
+        else
+            gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].reflectTimer = 5;
         gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].reflectBattlerId = gBattlerAttacker;
 
         if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && CountAliveMonsInBattle(BATTLE_ALIVE_ATK_SIDE) == 2)
@@ -8090,7 +8114,10 @@ static void atk92_setlightscreen(void)
     else
     {
         gSideStatuses[GET_BATTLER_SIDE(gBattlerAttacker)] |= SIDE_STATUS_LIGHTSCREEN;
-        gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].lightscreenTimer = 5;
+        if (GetBattlerHoldEffect(gBattlerAttacker, TRUE) == HOLD_EFFECT_LIGHT_CLAY)
+            gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].lightscreenTimer = 8;
+        else
+            gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].lightscreenTimer = 5;
         gSideTimers[GET_BATTLER_SIDE(gBattlerAttacker)].lightscreenBattlerId = gBattlerAttacker;
 
         if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE && CountAliveMonsInBattle(BATTLE_ALIVE_ATK_SIDE) == 2)
diff --git a/src/data/battle_moves.h b/src/data/battle_moves.h
index 639e9c50b..936d2e76c 100644
--- a/src/data/battle_moves.h
+++ b/src/data/battle_moves.h
@@ -7106,7 +7106,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.split = SPLIT_STATUS,
 	},
 	{ // MOVE_DIAMOND_STORM
-		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
+		.effect = EFFECT_DEFENSE_UP2_HIT,
 		.power = 100,
 		.type = TYPE_ROCK,
 		.accuracy = 95,
@@ -7383,7 +7383,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.argument = 75, // restores 75% HP instead of 50% HP
 	},
 	{ // MOVE_THOUSAND_ARROWS
-		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
+		.effect = EFFECT_SMACK_DOWN,
 		.power = 90,
 		.type = TYPE_GROUND,
 		.accuracy = 100,
@@ -7455,7 +7455,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.split = SPLIT_PHYSICAL,
 	},
 	{ // MOVE_DRAGON_ASCENT
-		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
+		.effect = EFFECT_CLOSE_COMBAT,
 		.power = 120,
 		.type = TYPE_FLYING,
 		.accuracy = 100,
@@ -7803,7 +7803,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.split = SPLIT_STATUS,
 	},
 	{ // MOVE_REVELATION_DANCE
-		.effect = EFFECT_PLACEHOLDER,
+		.effect = EFFECT_REVELATION_DANCE,
 		.power = 90,
 		.type = TYPE_NORMAL,
 		.accuracy = 100,
@@ -7812,7 +7812,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.target = MOVE_TARGET_SELECTED,
 		.priority = 0,
 		.flags = FLAG_PROTECT_AFFECTED | FLAG_MIRROR_MOVE_AFFECTED | FLAG_KINGSROCK_AFFECTED,
-		.split = SPLIT_STATUS,
+		.split = SPLIT_SPECIAL,
 	},
 	{ // MOVE_CORE_ENFORCER
 		.effect = EFFECT_PLACEHOLDER,
@@ -7899,7 +7899,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT] =
 		.split = SPLIT_PHYSICAL,
 	},
 	{ // MOVE_AURORA_VEIL
-		.effect = EFFECT_PLACEHOLDER,
+		.effect = EFFECT_AURORA_VEIL,
 		.power = 0,
 		.type = TYPE_ICE,
 		.accuracy = 0,