diff --git a/asm/macros/battle_script.inc b/asm/macros/battle_script.inc
index e879dfd056..ac1f3b5f02 100644
--- a/asm/macros/battle_script.inc
+++ b/asm/macros/battle_script.inc
@@ -702,7 +702,7 @@
 	.4byte \param0
 	.endm
 
-	.macro negativedamage
+	.macro setdrainedhp
 	.byte 0x88
 	.endm
 
diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index c4befebb8f..cf6e8ef8a3 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -744,7 +744,7 @@ BattleScript_EffectAbsorb::
 	waitmessage 0x40
 	resultmessage
 	waitmessage 0x40
-	negativedamage
+	setdrainedhp
 	orword gHitMarker, HITMARKER_IGNORE_SUBSTITUTE
 	jumpifability BS_TARGET, ABILITY_LIQUID_OOZE, BattleScript_AbsorbLiquidOoze
 	setbyte cMULTISTRING_CHOOSER, 0x0
@@ -854,7 +854,7 @@ BattleScript_82D8C18::
 	waitmessage 0x40
 	resultmessage
 	waitmessage 0x40
-	negativedamage
+	setdrainedhp
 	orword gHitMarker, HITMARKER_IGNORE_SUBSTITUTE
 	healthbarupdate BS_ATTACKER
 	datahpupdate BS_ATTACKER
diff --git a/include/data/battle_moves.h b/include/data/battle_moves.h
index 70a815b7e7..c127bc1e14 100644
--- a/include/data/battle_moves.h
+++ b/include/data/battle_moves.h
@@ -6928,7 +6928,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_GEN6] =
 		.split = SPLIT_STATUS,
 	},
 	{ // MOVE_DRAINING_KISS
-		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect (restores 75% HP instead of 50% HP)
+		.effect = EFFECT_ABSORB,
 		.power = 50,
 		.type = TYPE_FAIRY,
 		.accuracy = 100,
@@ -6937,7 +6937,8 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_GEN6] =
 		.target = MOVE_TARGET_SELECTED,
 		.priority = 0,
 		.flags = FLAG_MAKES_CONTACT | FLAG_PROTECT_AFFECTED | FLAG_MIRROR_MOVE_AFFECTED | FLAG_KINGSROCK_AFFECTED,
-		.split = SPLIT_SPECIAL,
+		.split = SPLIT_SPECIAL, // restores 75% HP instead of 50% HP
+		.argument = 75,
 	},
 	{ // MOVE_CRAFTY_SHIELD
 		.effect = EFFECT_PLACEHOLDER, // Needs a custom move effect
diff --git a/include/pokemon.h b/include/pokemon.h
index 5d34106c1f..d979d9b5e4 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -365,6 +365,7 @@ struct BattleMove
     s8 priority;
     u32 flags;
     u8 split;
+    u8 argument;
 };
 
 struct SpindaSpot
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 187fca7d6a..e5f351f36b 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -227,7 +227,7 @@ static void atk84_jumpifcantmakeasleep(void);
 static void atk85_stockpile(void);
 static void atk86_stockpiletobasedamage(void);
 static void atk87_stockpiletohpheal(void);
-static void atk88_negativedamage(void);
+static void atk88_setdrainedhp(void);
 static void atk89_statbuffchange(void);
 static void atk8A_normalisebuffs(void);
 static void atk8B_setbide(void);
@@ -485,7 +485,7 @@ void (* const gBattleScriptingCommandsTable[])(void) =
     atk85_stockpile,
     atk86_stockpiletobasedamage,
     atk87_stockpiletohpheal,
-    atk88_negativedamage,
+    atk88_setdrainedhp,
     atk89_statbuffchange,
     atk8A_normalisebuffs,
     atk8B_setbide,
@@ -6739,9 +6739,13 @@ static void atk87_stockpiletohpheal(void)
     }
 }
 
-static void atk88_negativedamage(void)
+static void atk88_setdrainedhp(void)
 {
-    gBattleMoveDamage = -(gHpDealt / 2);
+    if (gBattleMoves[gCurrentMove].argument != 0)
+        gBattleMoveDamage = -(gHpDealt * gBattleMoves[gCurrentMove].argument / 100);
+    else
+        gBattleMoveDamage = -(gHpDealt / 2);
+
     if (gBattleMoveDamage == 0)
         gBattleMoveDamage = -1;