diff --git a/graphics/battle_interface/burst_trigger.png b/graphics/battle_interface/burst_trigger.png
new file mode 100644
index 000000000..e3eb6384d
Binary files /dev/null and b/graphics/battle_interface/burst_trigger.png differ
diff --git a/src/battle_interface.c b/src/battle_interface.c
index 281d18e04..3256dda8f 100644
--- a/src/battle_interface.c
+++ b/src/battle_interface.c
@@ -677,8 +677,8 @@ static const struct SpriteTemplate sSpriteTemplate_MegaTrigger =
     .callback = SpriteCb_MegaTrigger
 };
 
-static const u8 ALIGNED(4) sBurstTriggerGfx[] = INCBIN_U8("graphics/battle_interface/mega_trigger.4bpp");
-static const u16 sBurstTriggerPal[] = INCBIN_U16("graphics/battle_interface/mega_trigger.gbapal");
+static const u8 ALIGNED(4) sBurstTriggerGfx[] = INCBIN_U8("graphics/battle_interface/burst_trigger.4bpp");
+static const u16 sBurstTriggerPal[] = INCBIN_U16("graphics/battle_interface/burst_trigger.gbapal");
 
 static const struct SpriteSheet sSpriteSheet_BurstTrigger =
 {
diff --git a/src/battle_main.c b/src/battle_main.c
index 86d72bd73..b39634eef 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -4438,9 +4438,9 @@ static void HandleTurnActionSelectionState(void)
                                 RecordedBattle_SetBattlerAction(gActiveBattler, gBattleResources->bufferB[gActiveBattler][2]);
                                 RecordedBattle_SetBattlerAction(gActiveBattler, gBattleResources->bufferB[gActiveBattler][3]);
                             }
-                            gBattleStruct->chosenMovePositions[gActiveBattler] = gBattleResources->bufferB[gActiveBattler][2] & ~(RET_MEGA_EVOLUTION | RET_ULTRA_BURST);
-                            gChosenMoveByBattler[gActiveBattler] = gBattleMons[gActiveBattler].moves[gBattleStruct->chosenMovePositions[gActiveBattler]];
-                            gBattleStruct->moveTarget[gActiveBattler] = gBattleResources->bufferB[gActiveBattler][3];
+                            *(gBattleStruct->chosenMovePositions + gActiveBattler) = gBattleResources->bufferB[gActiveBattler][2] & ~(RET_MEGA_EVOLUTION | RET_ULTRA_BURST);
+                            gChosenMoveByBattler[gActiveBattler] = gBattleMons[gActiveBattler].moves[*(gBattleStruct->chosenMovePositions + gActiveBattler)];
+                            *(gBattleStruct->moveTarget + gActiveBattler) = gBattleResources->bufferB[gActiveBattler][3];
                             if (gBattleResources->bufferB[gActiveBattler][2] & RET_MEGA_EVOLUTION)
                                 gBattleStruct->mega.toEvolve |= gBitTable[gActiveBattler];
                             else if (gBattleResources->bufferB[gActiveBattler][2] & RET_ULTRA_BURST)
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 42d427a93..04ef3bcf3 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -8628,6 +8628,8 @@ static void HandleScriptMegaPrimalBurst(u32 caseId, u32 battlerId, u32 type)
             SetBattlerShadowSpriteCallback(battlerId, gBattleMons[battlerId].species);
         if (type == 0)
             gBattleStruct->mega.alreadyEvolved[position] = TRUE;
+        if (type == 2)
+            gBattleStruct->burst.alreadyBursted[position] = TRUE;
     }
 }
 
diff --git a/src/battle_util.c b/src/battle_util.c
index 0ef2752f5..5e50dc29c 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -10036,7 +10036,28 @@ bool32 CanUltraBurst(u8 battlerId)
     struct Pokemon *mon;
     u8 battlerPosition = GetBattlerPosition(battlerId);
     u8 partnerPosition = GetBattlerPosition(BATTLE_PARTNER(battlerId));
-    struct UltraBurstData *burst = &(((struct ChooseMoveStruct *)(&gBattleResources->bufferA[gActiveBattler][4]))->burst);
+
+    // Check if Player has a Z Ring
+    if ((GetBattlerPosition(battlerId) == B_POSITION_PLAYER_LEFT || (!(gBattleTypeFlags & BATTLE_TYPE_MULTI) && GetBattlerPosition(battlerId) == B_POSITION_PLAYER_RIGHT))
+     && !CheckBagHasItem(ITEM_Z_POWER_RING, 1))
+        return FALSE;
+
+    // Check if trainer already ultra bursted a pokemon.
+    if (gBattleStruct->burst.alreadyBursted[battlerPosition])
+        return FALSE;
+
+    // Cannot use z move and ultra burst on same turn
+    if (gBattleStruct->zmove.toBeUsed[battlerId])
+        return FALSE;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE
+     && IsPartnerMonFromSameTrainer(battlerId)
+     && (gBattleStruct->burst.alreadyBursted[partnerPosition] || (gBattleStruct->burst.toBurst & gBitTable[BATTLE_PARTNER(battlerId)])))
+        return FALSE;
+
+    // Check if mon is currently held by Sky Drop
+    if (gStatuses3[battlerId] & STATUS3_SKY_DROPPED)
+        return FALSE;
     
     // Gets mon data.
     if (GetBattlerSide(battlerId) == B_SIDE_OPPONENT)