diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 29b7b57503..8f8d30b568 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -126,6 +126,7 @@
 #define B_POWDER_GRASS              GEN_7 // In Gen6+, Grass-type Pokémon are immune to powder and spore moves.
 #define B_STEEL_RESISTANCES         GEN_7 // In Gen6+, Steel-type Pokémon are no longer resistant to Dark-type and Ghost-type moves.
 #define B_PRANKSTER_DARK_TYPES      GEN_7 // In Gen7+, Prankster-elevated status moves do not affect Dark type Pokémon.
+#define B_SHEER_COLD_IMMUNITY       GEN_7 // In Gen7+, Ice-types are immune to Sheer Cold
 
 // Turn count settings
 #define B_BINDING_TURNS             GEN_7 // In Gen5+, binding moves last for 4-5 turns instead of 2-5 turns. (With Grip Claw, 7 and 5 turns respectively.)
diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 1c4073706c..fbe25b01c5 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -1216,6 +1216,10 @@ static s16 AI_CheckBadMove(u8 battlerAtk, u8 battlerDef, u16 move, s16 score)
                 score -= 10;
             break;
         case EFFECT_OHKO:
+            if (B_SHEER_COLD_IMMUNITY >= GEN_7
+              && move == MOVE_SHEER_COLD
+              && IS_BATTLER_OF_TYPE(battlerDef, TYPE_ICE))
+                return 0;
             if (!ShouldTryOHKO(battlerAtk, battlerDef, AI_DATA->atkAbility, AI_DATA->defAbility, accuracy, move))
                 score -= 10;
             break;
diff --git a/src/battle_util.c b/src/battle_util.c
index 7e2320500c..736e654ac5 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -8945,6 +8945,10 @@ static u16 CalcTypeEffectivenessMultiplierInternal(u16 move, u8 moveType, u8 bat
             RecordAbilityBattle(battlerDef, ABILITY_LEVITATE);
         }
     }
+    else if (B_SHEER_COLD_IMMUNITY >= GEN_7 && move == MOVE_SHEER_COLD && IS_BATTLER_OF_TYPE(battlerDef, TYPE_ICE))
+    {
+        modifier = UQ_4_12(0.0);
+    }
 
     // Thousand Arrows ignores type modifiers for flying mons
     if (!IsBattlerGrounded(battlerDef) && (gBattleMoves[move].flags & FLAG_DMG_UNGROUNDED_IGNORE_TYPE_IF_FLYING)