diff --git a/data/battle_anim_scripts.s b/data/battle_anim_scripts.s
index dac93b4675..912676a1aa 100644
--- a/data/battle_anim_scripts.s
+++ b/data/battle_anim_scripts.s
@@ -1464,6 +1464,23 @@ Move_DARK_PULSE:
 	end
 	
 Move_NIGHT_SLASH:
+	loadspritegfx ANIM_TAG_SLASH
+	createvisualtask AnimTask_BlendNightSlash, 2, ANIM_TARGET, 2, 0, 8, 1
+	createsprite gSimplePaletteBlendSpriteTemplate, ANIM_ATTACKER, 0, 1, 3, 0, 12, RGB_BLACK
+	waitforvisualfinish
+	createsprite gNightSlashLeftSpriteTemplate, ANIM_TARGET, 2, 1, -8, 0
+	playsewithpan SE_W013, SOUND_PAN_TARGET
+	delay 4
+	createsprite gNightSlashLeftSpriteTemplate, ANIM_TARGET, 2, 1, 8, 0
+	createvisualtask AnimTask_ShakeMon2, 2, ANIM_TARGET, 2, 0, 8, 1
+	delay 40
+	createsprite gNightSlashRightSpriteTemplate, ANIM_TARGET, 2, 1, -8, 0
+	createsprite gNightSlashRightSpriteTemplate, ANIM_TARGET, 2, 1, 8, 0
+	createvisualtask AnimTask_ShakeMon2, 2, ANIM_TARGET, 4, 0, 18, 1
+	playsewithpan SE_W013, SOUND_PAN_TARGET
+	waitforvisualfinish
+	createsprite gSimplePaletteBlendSpriteTemplate, ANIM_ATTACKER, 0, 1, 3, 12, 0, RGB_BLACK
+	waitforvisualfinish
 	end
 	
 Move_AQUA_TAIL:
diff --git a/src/effects_1.c b/src/effects_1.c
index fc29fe6a28..0cabed63e0 100644
--- a/src/effects_1.c
+++ b/src/effects_1.c
@@ -2104,10 +2104,12 @@ const struct SpriteTemplate gPowerOrbs_Float =
 };
 
 #include "random.h"
+#include "util.h"
 
 void AnimRockPolishStreak(struct Sprite *);
 void AnimRockPolishSparkle(struct Sprite *);
 void AnimPoisonJabProjectile(struct Sprite *);
+void AnimNightSlash(struct Sprite *);
 
 const union AnimCmd gRockPolishStreak_AnimCmd[] =
 {
@@ -2333,3 +2335,80 @@ void AnimPoisonJabProjectile(struct Sprite *sprite)
     sprite->callback = StartAnimLinearTranslation;
     StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
 }
+
+const union AnimCmd gNightSlashLeftAnimCmd0[] =
+{
+    ANIMCMD_FRAME(0, 4),
+    ANIMCMD_FRAME(16, 4),
+    ANIMCMD_FRAME(32, 4),
+    ANIMCMD_FRAME(48, 4),
+    ANIMCMD_END,
+};
+
+const union AnimCmd gNightSlashLeftAnimCmd1[] =
+{
+    ANIMCMD_FRAME(48, 4),
+    ANIMCMD_END,
+};
+
+const union AnimCmd *const gNightSlashLeftAnimTable[] =
+{
+    gNightSlashLeftAnimCmd0,
+    gNightSlashLeftAnimCmd1,
+};
+
+const struct SpriteTemplate gNightSlashLeftSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_SLASH,
+    .paletteTag = ANIM_TAG_SLASH,
+    .oam = &gUnknown_08524914,
+    .anims = gNightSlashLeftAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimNightSlash,
+};
+
+const union AnimCmd gNightSlashRightAnimCmd0[] =
+{
+    ANIMCMD_FRAME(0, 4, .vFlip = TRUE, .hFlip = TRUE),
+    ANIMCMD_FRAME(16, 4, .vFlip = TRUE, .hFlip = TRUE),
+    ANIMCMD_FRAME(32, 4, .vFlip = TRUE, .hFlip = TRUE),
+    ANIMCMD_FRAME(48, 4, .vFlip = TRUE, .hFlip = TRUE),
+    ANIMCMD_END,
+};
+
+const union AnimCmd gNightSlashRightAnimCmd1[] =
+{
+    ANIMCMD_FRAME(48, 4, .vFlip = TRUE, .hFlip = TRUE),
+    ANIMCMD_END,
+};
+
+const union AnimCmd *const gNightSlashRightAnimTable[] =
+{
+    gNightSlashRightAnimCmd0,
+    gNightSlashRightAnimCmd1,
+};
+
+const struct SpriteTemplate gNightSlashRightSpriteTemplate =
+{
+    .tileTag = ANIM_TAG_SLASH,
+    .paletteTag = ANIM_TAG_SLASH,
+    .oam = &gUnknown_08524914,
+    .anims = gNightSlashRightAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = AnimNightSlash,
+};
+
+void AnimTask_BlendNightSlash(u8 taskId)
+{
+    int paletteOffset = IndexOfSpritePaletteTag(ANIM_TAG_SLASH) * 16 + 256;
+    BlendPalette(paletteOffset, 16, 6, RGB_RED);
+    DestroyAnimVisualTask(taskId);
+}
+
+void AnimNightSlash(struct Sprite *sprite)
+{
+    sprite->callback = sub_8101F40;
+    sprite->callback(sprite);
+}