diff --git a/asm/include/overlay_29_02311C28.inc b/asm/include/overlay_29_02311C28.inc
index 8aa65120..88f577f2 100644
--- a/asm/include/overlay_29_02311C28.inc
+++ b/asm/include/overlay_29_02311C28.inc
@@ -1,9 +1,7 @@
 #pragma once
 .public AbilityIsActiveVeneer
-.public AllocateTemp1024ByteBufferFromPool
 .public CalcStatusDuration
 .public ChangeShayminForme
-.public CopyStringFromId
 .public DIRECTIONS_XY
 .public DUNGEON_PTR
 .public DefenderAbilityIsActive__02311B94
@@ -15,13 +13,11 @@
 .public GetTreatmentBetweenMonstersIgnoreStatus
 .public IsProtectedFromNegativeStatus
 .public IsProtectedFromSleepClassStatus
-.public IsProtectedFromStatDrops
 .public ItemIsActive__02311BF8
 .public LogMessageByIdWithPopupCheckUserTarget
 .public MonsterIsType
 .public SECONDARY_TERRAIN_TYPES
 .public SafeguardIsActive
-.public SetMessageLogPreprocessorArgsString
 .public SetPreprocessorArgsIdVal
 .public SetPreprocessorArgsStringToName
 .public SubstitutePlaceholderStringTags
@@ -53,7 +49,6 @@
 .public ov29_022E4C00
 .public ov29_022E4C4C
 .public ov29_022E4D24
-.public ov29_022E4D28
 .public ov29_022E53EC
 .public ov29_02304A48
 .public ov29_02304A84
diff --git a/asm/overlay_29_02311C28.s b/asm/overlay_29_02311C28.s
index af5ef563..61ac48bc 100644
--- a/asm/overlay_29_02311C28.s
+++ b/asm/overlay_29_02311C28.s
@@ -1980,158 +1980,3 @@ _023135F4: .word 0x00000D33
 #endif
 _023135F8: .word DUNGEON_PTR
 	arm_func_end TryInflictPetrifiedStatus
-
-	arm_func_start LowerOffensiveStat
-LowerOffensiveStat: ; 0x023135FC
-	stmdb sp!, {r0, r1, r2, r3}
-	stmdb sp!, {r4, r5, r6, r7, r8, lr}
-	mov r7, r1
-	mov r5, r3
-	mov r8, r0
-	bl AllocateTemp1024ByteBufferFromPool
-	mov r6, r0
-	bl AllocateTemp1024ByteBufferFromPool
-	mov r4, r0
-	mov r1, r5, lsl #0x10
-	mov r0, r7
-	mov r5, r1, asr #0x10
-	bl EntityIsValid__023118B4
-	cmp r0, #0
-	beq _023137E8
-	ldr r0, [sp, #0x20]
-	cmp r0, #0
-	beq _02313660
-	ldr r1, _023137F4 ; =0x00000DCB
-	mov r0, r6
-	bl CopyStringFromId
-	mov r1, r6
-	mov r0, #1
-	bl SetMessageLogPreprocessorArgsString
-	b _02313678
-_02313660:
-	ldr r1, _023137F8 ; =0x00000DCA
-	mov r0, r6
-	bl CopyStringFromId
-	mov r1, r6
-	mov r0, #1
-	bl SetMessageLogPreprocessorArgsString
-_02313678:
-	ldrb r0, [sp, #0x28]
-	cmp r0, #0
-	beq _02313720
-	ldrb r2, [sp, #0x2c]
-	mov r0, r8
-	mov r1, r7
-	bl IsProtectedFromStatDrops
-	cmp r0, #0
-	bne _023137E8
-	mov r0, r7
-	mov r1, #0x12
-	bl ItemIsActive__02311BF8
-	cmp r0, #0
-	beq _023136D4
-	mov r0, #0
-	mov r1, r7
-	mov r2, r0
-	bl SubstitutePlaceholderStringTags
-	ldr r2, _023137FC ; =0x00000DB2
-	mov r0, r8
-	mov r1, r7
-	bl LogMessageByIdWithPopupCheckUserTarget
-	b _023137E8
-_023136D4:
-	mov r0, r8
-	mov r1, r7
-	mov r2, #9
-#ifndef JAPAN
-	mov r3, #1
-#endif
-	bl DefenderAbilityIsActive__02311B94
-	cmp r0, #0
-	beq _02313720
-	ldr r0, [sp, #0x20]
-	cmp r0, #0
-	bne _02313720
-	mov r0, #0
-	mov r1, r7
-	mov r2, r0
-	bl SubstitutePlaceholderStringTags
-	ldr r2, _02313800 ; =0x00000D9E
-	mov r0, r8
-	mov r1, r7
-	bl LogMessageByIdWithPopupCheckUserTarget
-	b _023137E8
-_02313720:
-	mov r0, #0
-	mov r1, r7
-	mov r2, r0
-	ldr r6, [r7, #0xb4]
-	bl SubstitutePlaceholderStringTags
-	add r1, sp, #0x20
-	ldr r1, [r1]
-	mov r0, r7
-	bl ov29_022E4D28
-	mov r0, r7
-	mov r1, #0x61
-	bl AbilityIsActiveVeneer
-	cmp r0, #0
-	movne r0, r5, lsl #0x11
-	movne r5, r0, asr #0x10
-	cmp r5, #1
-	bne _02313780
-	ldr r1, _02313804 ; =0x00000DCD
-	mov r0, r4
-	bl CopyStringFromId
-	mov r1, r4
-	mov r0, #2
-	bl SetMessageLogPreprocessorArgsString
-	b _02313798
-_02313780:
-	ldr r1, _02313808 ; =0x00000DCC
-	mov r0, r4
-	bl CopyStringFromId
-	mov r1, r4
-	mov r0, #2
-	bl SetMessageLogPreprocessorArgsString
-_02313798:
-	ldr r1, [sp, #0x20]
-	add r0, r6, r1, lsl #1
-	ldrsh r0, [r0, #0x24]
-	subs r4, r0, r5
-	movmi r4, #0
-	cmp r4, r0
-	beq _023137D0
-	ldr r2, _0231380C ; =0x00000D91
-	add r3, r6, r1, lsl #1
-	mov r0, r8
-	mov r1, r7
-	strh r4, [r3, #0x24]
-	bl LogMessageByIdWithPopupCheckUserTarget
-	b _023137E0
-_023137D0:
-	ldr r2, _02313810 ; =0x00000DD9
-	mov r0, r8
-	mov r1, r7
-	bl LogMessageByIdWithPopupCheckUserTarget
-_023137E0:
-	mov r0, r7
-	bl UpdateStatusIconFlags
-_023137E8:
-	ldmia sp!, {r4, r5, r6, r7, r8, lr}
-	add sp, sp, #0x10
-	bx lr
-	.align 2, 0
-#ifdef JAPAN
-#define LOWER_OFFENSIVE_STAT_OFFSET -0x2C0
-#else
-#define LOWER_OFFENSIVE_STAT_OFFSET 0
-#endif
-_023137F4: .word 0x00000DCB + LOWER_OFFENSIVE_STAT_OFFSET
-_023137F8: .word 0x00000DCA + LOWER_OFFENSIVE_STAT_OFFSET
-_023137FC: .word 0x00000DB2 + LOWER_OFFENSIVE_STAT_OFFSET
-_02313800: .word 0x00000D9E + LOWER_OFFENSIVE_STAT_OFFSET
-_02313804: .word 0x00000DCD + LOWER_OFFENSIVE_STAT_OFFSET
-_02313808: .word 0x00000DCC + LOWER_OFFENSIVE_STAT_OFFSET
-_0231380C: .word 0x00000D91 + LOWER_OFFENSIVE_STAT_OFFSET
-_02313810: .word 0x00000DD9 + LOWER_OFFENSIVE_STAT_OFFSET
-	arm_func_end LowerOffensiveStat
diff --git a/include/overlay_29_02313814.h b/include/overlay_29_02313814.h
index 93169f35..88cc65c5 100644
--- a/include/overlay_29_02313814.h
+++ b/include/overlay_29_02313814.h
@@ -1,11 +1,17 @@
 #ifndef PMDSKY_OVERLAY_29_02313814_H
 #define PMDSKY_OVERLAY_29_02313814_H
 
+#define STAT_INDEX_PHYSICAL 0 // Atk, Def
+#define STAT_INDEX_SPECIAL 1 // Sp Atk, Sp Def
+#define STAT_INDEX_ACCURACY STAT_INDEX_PHYSICAL
+#define STAT_INDEX_EVASION STAT_INDEX_SPECIAL
+
 struct StatIndex
 {
     int id;
 };
 
+void LowerOffensiveStat(struct entity *pokemon, struct entity *target, struct StatIndex stat, s32 nStagesRaw, bool8 checkProtected, bool8 logMsgProtected);
 void LowerDefensiveStat(struct entity *pokemon, struct entity *target, struct StatIndex stat, s32 increment, bool8 checkProtected, bool8 logMsgProtected);
 
 #endif //PMDSKY_OVERLAY_29_02313814_H
diff --git a/src/overlay_29_02313814.c b/src/overlay_29_02313814.c
index 518f738a..c5ab4203 100644
--- a/src/overlay_29_02313814.c
+++ b/src/overlay_29_02313814.c
@@ -2,6 +2,7 @@
 #include "dungeon_util_static.h"
 #include "overlay_29_023118B4.h"
 #include "overlay_29_02313814.h"
+#include "overlay_29_02311BF8.h"
 
 extern u8* AllocateTemp1024ByteBufferFromPool(void);
 extern void CopyStringFromId(u8* buf, u32 string_id);
@@ -9,9 +10,79 @@ extern void SetMessageLogPreprocessorArgsString(u32 a, u8 *buf);
 extern bool8 IsProtectedFromStatDrops(struct entity *user, struct entity *target, bool8 logMsg);
 extern void SubstitutePlaceholderStringTags(int a, struct entity *entity, u32 param_3);
 extern void ov29_022E4DCC(struct entity *pokemon, struct StatIndex);
+extern void ov29_022E4D28(struct entity *pokemon, struct StatIndex);
 extern void LogMessageByIdWithPopupCheckUserTarget(struct entity *user, struct entity *target, u32 message_id);
 extern void UpdateStatusIconFlags(struct entity *);
 
+void LowerOffensiveStat(struct entity *pokemon, struct entity *target, struct StatIndex stat, s32 nStagesRaw, bool8 checkProtected, bool8 logMsgProtected)
+{
+    struct monster *entityInfo;
+    u8 *buffer1 = AllocateTemp1024ByteBufferFromPool();
+    u8 *buffer2 = AllocateTemp1024ByteBufferFromPool();
+    s16 nStages = nStagesRaw;
+    s32 newStage;
+
+    if (!EntityIsValid__023118B4(target))
+        return;
+
+    if (stat.id != 0) {
+        CopyStringFromId(buffer1, 0xdcb);
+        SetMessageLogPreprocessorArgsString(1, buffer1);
+    }
+    else {
+        CopyStringFromId(buffer1, 0xdca);
+        SetMessageLogPreprocessorArgsString(1, buffer1);
+    }
+
+    if (checkProtected) {
+        if (IsProtectedFromStatDrops(pokemon, target, logMsgProtected))
+            return;
+
+        if (ItemIsActive__02311BF8(target, ITEM_TWIST_BAND)) {
+            SubstitutePlaceholderStringTags(0,target,0);
+            LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xdb2);
+            return;
+        }
+
+        if (DefenderAbilityIsActive__02311B94(pokemon, target, ABILITY_HYPER_CUTTER, TRUE) && stat.id == STAT_INDEX_PHYSICAL) {
+            SubstitutePlaceholderStringTags(0,target,0);
+            LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xd9e);
+            return;
+        }
+    }
+
+    entityInfo = GetEntInfo(target);
+    SubstitutePlaceholderStringTags(0,target,0);
+    ov29_022E4D28(target,stat);
+
+    if (AbilityIsActiveVeneer(target, ABILITY_SIMPLE))
+        nStages *= 2;
+
+    if (nStages == 1) {
+        CopyStringFromId(buffer2, 0xdcd);
+        SetMessageLogPreprocessorArgsString(2, buffer2);
+    }
+    else {
+        CopyStringFromId(buffer2, 0xdcc);
+        SetMessageLogPreprocessorArgsString(2, buffer2);
+    }
+
+    newStage = entityInfo->stat_modifiers.offensive_stages[stat.id];
+    newStage -= nStages;
+    if (newStage < 0) {
+        newStage = 0;
+    }
+
+    if (entityInfo->stat_modifiers.offensive_stages[stat.id] != newStage) {
+        entityInfo->stat_modifiers.offensive_stages[stat.id] = newStage;
+        LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xd91);
+    }
+    else {
+        LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xdd9);
+    }
+    UpdateStatusIconFlags(target);
+}
+
 #ifdef JAPAN
 #define LOWER_DEFENSIVE_STAT_OFFSET -0x2C0
 #else