diff --git a/asm/include/overlay_29_0231399C.inc b/asm/include/overlay_29_02313B08.inc
similarity index 93%
rename from asm/include/overlay_29_0231399C.inc
rename to asm/include/overlay_29_02313B08.inc
index 716d03fe..e0937690 100644
--- a/asm/include/overlay_29_0231399C.inc
+++ b/asm/include/overlay_29_02313B08.inc
@@ -7,5 +7,4 @@
 .public SetMessageLogPreprocessorArgsString
 .public SubstitutePlaceholderStringTags
 .public UpdateStatusIconFlags
-.public ov29_022E4E74
 .public ov29_022E4F1C
diff --git a/asm/overlay_29_0231399C.s b/asm/overlay_29_02313B08.s
similarity index 50%
rename from asm/overlay_29_0231399C.s
rename to asm/overlay_29_02313B08.s
index 292ce09b..e463de77 100644
--- a/asm/overlay_29_0231399C.s
+++ b/asm/overlay_29_02313B08.s
@@ -1,116 +1,8 @@
 	.include "asm/macros.inc"
-	.include "overlay_29_0231399C.inc"
+	.include "overlay_29_02313B08.inc"
 
 	.text
 
-	arm_func_start BoostOffensiveStat
-BoostOffensiveStat: ; 0x0231399C
-	stmdb sp!, {r0, r1, r2, r3}
-	stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, lr}
-	mov r8, r1
-	mov r6, r3
-	mov sb, r0
-	bl AllocateTemp1024ByteBufferFromPool
-	mov r4, r0
-	bl AllocateTemp1024ByteBufferFromPool
-	mov r5, r0
-	mov r1, r6, lsl #0x10
-	mov r0, r8
-	mov r6, r1, asr #0x10
-	bl EntityIsValid__023118B4
-	cmp r0, #0
-	beq _02313AE4
-	mov r0, #0
-	mov r1, r8
-	mov r2, r0
-	ldr r7, [r8, #0xb4]
-	bl SubstitutePlaceholderStringTags
-	add r1, sp, #0x28
-	ldr r1, [r1]
-	mov r0, r8
-	bl ov29_022E4E74
-	ldr r0, [sp, #0x28]
-	cmp r0, #0
-	beq _02313A24
-	ldr r1, _02313AF0 ; =0x00000DCB
-	mov r0, r4
-	bl CopyStringFromId
-	mov r1, r4
-	mov r0, #1
-	bl SetMessageLogPreprocessorArgsString
-	b _02313A3C
-_02313A24:
-	ldr r1, _02313AF4 ; =0x00000DCA
-	mov r0, r4
-	bl CopyStringFromId
-	mov r1, r4
-	mov r0, #1
-	bl SetMessageLogPreprocessorArgsString
-_02313A3C:
-	mov r0, r8
-	mov r1, #0x61
-	bl AbilityIsActiveVeneer
-	cmp r0, #0
-	movne r0, r6, lsl #0x11
-	movne r6, r0, asr #0x10
-	cmp r6, #1
-	bne _02313A78
-	ldr r1, _02313AF8 ; =0x00000DCD
-	mov r0, r5
-	bl CopyStringFromId
-	mov r1, r5
-	mov r0, #2
-	bl SetMessageLogPreprocessorArgsString
-	b _02313A90
-_02313A78:
-	ldr r1, _02313AFC ; =0x00000DCC
-	mov r0, r5
-	bl CopyStringFromId
-	mov r1, r5
-	mov r0, #2
-	bl SetMessageLogPreprocessorArgsString
-_02313A90:
-	ldr r1, [sp, #0x28]
-	add r0, r7, r1, lsl #1
-	ldrsh r0, [r0, #0x24]
-	add r4, r0, r6
-	cmp r4, #0x14
-	movge r4, #0x14
-	cmp r4, r0
-	beq _02313ACC
-	ldr r2, _02313B00 ; =0x00000D8F
-	add r3, r7, r1, lsl #1
-	mov r0, sb
-	mov r1, r8
-	strh r4, [r3, #0x24]
-	bl LogMessageByIdWithPopupCheckUserTarget
-	b _02313ADC
-_02313ACC:
-	ldr r2, _02313B04 ; =0x00000DD8
-	mov r0, sb
-	mov r1, r8
-	bl LogMessageByIdWithPopupCheckUserTarget
-_02313ADC:
-	mov r0, r8
-	bl UpdateStatusIconFlags
-_02313AE4:
-	ldmia sp!, {r3, r4, r5, r6, r7, r8, sb, lr}
-	add sp, sp, #0x10
-	bx lr
-	.align 2, 0
-#ifdef JAPAN
-#define BOOST_OFFENSIVE_STAT_OFFSET -0x2C0
-#else
-#define BOOST_OFFENSIVE_STAT_OFFSET 0
-#endif
-_02313AF0: .word 0x00000DCB + BOOST_OFFENSIVE_STAT_OFFSET
-_02313AF4: .word 0x00000DCA + BOOST_OFFENSIVE_STAT_OFFSET
-_02313AF8: .word 0x00000DCD + BOOST_OFFENSIVE_STAT_OFFSET
-_02313AFC: .word 0x00000DCC + BOOST_OFFENSIVE_STAT_OFFSET
-_02313B00: .word 0x00000D8F + BOOST_OFFENSIVE_STAT_OFFSET
-_02313B04: .word 0x00000DD8 + BOOST_OFFENSIVE_STAT_OFFSET
-	arm_func_end BoostOffensiveStat
-
 ; https://decomp.me/scratch/90P8f
 	arm_func_start BoostDefensiveStat
 BoostDefensiveStat: ; 0x02313B08
diff --git a/include/overlay_29_02313814.h b/include/overlay_29_02313814.h
index 88cc65c5..c0428aac 100644
--- a/include/overlay_29_02313814.h
+++ b/include/overlay_29_02313814.h
@@ -13,5 +13,6 @@ struct StatIndex
 
 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);
+void BoostOffensiveStat(struct entity *pokemon, struct entity *target, struct StatIndex stat, s32 nStagesRaw);
 
 #endif //PMDSKY_OVERLAY_29_02313814_H
diff --git a/main.lsf b/main.lsf
index f02889f0..60b6625b 100644
--- a/main.lsf
+++ b/main.lsf
@@ -542,7 +542,7 @@ Overlay OVY_29
 	Object src/overlay_29_02311BF8.o
 	Object asm/overlay_29_02311C28.o
 	Object src/overlay_29_02313814.o
-	Object asm/overlay_29_0231399C.o
+	Object asm/overlay_29_02313B08.o
 	Object src/move_orb_effects.o
 	Object asm/overlay_29_02313CE4.o
 	Object src/overlay_29_023147EC.o
diff --git a/src/overlay_29_02313814.c b/src/overlay_29_02313814.c
index b2c10a90..be30a9d8 100644
--- a/src/overlay_29_02313814.c
+++ b/src/overlay_29_02313814.c
@@ -9,6 +9,7 @@ extern void CopyStringFromId(u8* buf, u32 string_id);
 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_022E4E74(struct entity *pokemon, struct StatIndex);
 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);
@@ -31,7 +32,7 @@ void LowerOffensiveStat(struct entity *pokemon, struct entity *target, struct St
     if (!EntityIsValid__023118B4(target))
         return;
 
-    if (stat.id != 0) {
+    if (stat.id != STAT_INDEX_PHYSICAL) {
         CopyStringFromId(buffer1, 0xdcb + JPN_MSG_OFFSET);
         SetMessageLogPreprocessorArgsString(1, buffer1);
     }
@@ -104,7 +105,7 @@ void LowerDefensiveStat(struct entity *pokemon, struct entity *target, struct St
     if (!EntityIsValid__023118B4(target))
         return;
 
-    if (stat.id != 0) {
+    if (stat.id != STAT_INDEX_PHYSICAL) {
         CopyStringFromId(buffer1, 0xdc9 + JPN_MSG_OFFSET);
         SetMessageLogPreprocessorArgsString(1, buffer1);
     }
@@ -149,3 +150,54 @@ void LowerDefensiveStat(struct entity *pokemon, struct entity *target, struct St
     }
     UpdateStatusIconFlags(target);
 }
+
+void BoostOffensiveStat(struct entity *pokemon, struct entity *target, struct StatIndex stat, s32 nStagesRaw)
+{
+    struct monster *entityInfo;
+    u8 *buffer1 = AllocateTemp1024ByteBufferFromPool();
+    u8 *buffer2 = AllocateTemp1024ByteBufferFromPool();
+    s16 nStages = nStagesRaw;
+    s32 newStage;
+
+    if (!EntityIsValid__023118B4(target))
+        return;
+
+    entityInfo = GetEntInfo(target);
+    SubstitutePlaceholderStringTags(0,target,0);
+    ov29_022E4E74(target,stat);
+    if (stat.id != STAT_INDEX_PHYSICAL) {
+        CopyStringFromId(buffer1, 0xdcb + JPN_MSG_OFFSET);
+        SetMessageLogPreprocessorArgsString(1, buffer1);
+    }
+    else {
+        CopyStringFromId(buffer1, 0xdca + JPN_MSG_OFFSET);
+        SetMessageLogPreprocessorArgsString(1, buffer1);
+    }
+
+    if (AbilityIsActiveVeneer(target, ABILITY_SIMPLE))
+        nStages *= 2;
+
+    if (nStages == 1) {
+        CopyStringFromId(buffer2, 0xdcd + JPN_MSG_OFFSET);
+        SetMessageLogPreprocessorArgsString(2, buffer2);
+    }
+    else {
+        CopyStringFromId(buffer2, 0xdcc + JPN_MSG_OFFSET);
+        SetMessageLogPreprocessorArgsString(2, buffer2);
+    }
+
+    newStage = entityInfo->stat_modifiers.offensive_stages[stat.id];
+    newStage += nStages;
+    if (newStage >= MAX_STAT_STAGE) {
+        newStage = MAX_STAT_STAGE;
+    }
+
+    if (entityInfo->stat_modifiers.offensive_stages[stat.id] != newStage) {
+        entityInfo->stat_modifiers.offensive_stages[stat.id] = newStage;
+        LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xd8f + JPN_MSG_OFFSET);
+    }
+    else {
+        LogMessageByIdWithPopupCheckUserTarget(pokemon,target,0xdd8 + JPN_MSG_OFFSET);
+    }
+    UpdateStatusIconFlags(target);
+}