diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 1d1782def1..94d1def36d 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -229,6 +229,7 @@
 #define B_SYNCHRONIZE_TOXIC         GEN_8 // In Gen5+, if a Pokémon with Synchronize is badly poisoned, the opponent will also become badly poisoned. Previously, the opponent would become regular poisoned.
 #define B_UPDATED_INTIMIDATE        GEN_8 // In Gen8, Intimidate doesn't work on opponents with the Inner Focus, Scrappy, Own Tempo or Oblivious abilities. It also activates Rattled.
 #define B_OBLIVIOUS_TAUNT           GEN_7 // In Gen6+, Pokémon with Oblivious can't be taunted.
+#define B_STURDY                    GEN_7 // In Gen5+, Sturdy causes the Pokémon to have 1 HP remaining if another Pokémon's attack or confusion damage would have brought it from full health to 0 HP.
 
 // Item settings
 #define B_HP_BERRIES                GEN_7 // In Gen4+, berries which restore hp activate immediately after HP drops to half. In Gen3, the effect occurs at the end of the turn.
diff --git a/src/battle_ai_util.c b/src/battle_ai_util.c
index 15dfd642c1..d104714b9d 100644
--- a/src/battle_ai_util.c
+++ b/src/battle_ai_util.c
@@ -2469,13 +2469,13 @@ bool32 ShouldPivot(u8 battlerAtk, u8 battlerDef, u16 defAbility, u16 move, u8 mo
 
                     if (!IS_MOVE_STATUS(move) && (shouldSwitch
                      || (AtMaxHp(battlerDef) && (AI_DATA->holdEffects[battlerDef] == HOLD_EFFECT_FOCUS_SASH
-                      || defAbility == ABILITY_STURDY || defAbility == ABILITY_MULTISCALE || defAbility == ABILITY_SHADOW_SHIELD))))
+                      || (defAbility == ABILITY_STURDY && B_STURDY >= GEN_5) || defAbility == ABILITY_MULTISCALE || defAbility == ABILITY_SHADOW_SHIELD))))
                         return PIVOT;   // pivot to break sash/sturdy/multiscale
                 }
                 else if (!hasStatBoost)
                 {
                     if (!IS_MOVE_STATUS(move) && (AtMaxHp(battlerDef) && (AI_DATA->holdEffects[battlerDef] == HOLD_EFFECT_FOCUS_SASH
-                      || defAbility == ABILITY_STURDY || defAbility == ABILITY_MULTISCALE || defAbility == ABILITY_SHADOW_SHIELD)))
+                      || (defAbility == ABILITY_STURDY && B_STURDY >= GEN_5) || defAbility == ABILITY_MULTISCALE || defAbility == ABILITY_SHADOW_SHIELD)))
                         return PIVOT;   // pivot to break sash/sturdy/multiscale
 
                     if (shouldSwitch)
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 52c838501f..0cfeb8ebcd 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -1984,16 +1984,18 @@ static void Cmd_adjustdamage(void)
         RecordItemEffectBattle(gBattlerTarget, holdEffect);
         gSpecialStatuses[gBattlerTarget].focusBanded = TRUE;
     }
-    else if (holdEffect == HOLD_EFFECT_FOCUS_SASH && BATTLER_MAX_HP(gBattlerTarget))
-    {
-        RecordItemEffectBattle(gBattlerTarget, holdEffect);
-        gSpecialStatuses[gBattlerTarget].focusSashed = TRUE;
-    }
+    #if B_STURDY >= GEN_5
     else if (GetBattlerAbility(gBattlerTarget) == ABILITY_STURDY && BATTLER_MAX_HP(gBattlerTarget))
     {
         RecordAbilityBattle(gBattlerTarget, ABILITY_STURDY);
         gSpecialStatuses[gBattlerTarget].sturdied = TRUE;
     }
+    #endif
+    else if (holdEffect == HOLD_EFFECT_FOCUS_SASH && BATTLER_MAX_HP(gBattlerTarget))
+    {
+        RecordItemEffectBattle(gBattlerTarget, holdEffect);
+        gSpecialStatuses[gBattlerTarget].focusSashed = TRUE;
+    }
 
     if (gBattleMoves[gCurrentMove].effect != EFFECT_FALSE_SWIPE
         && !gProtectStructs[gBattlerTarget].endured