diff --git a/src/data/move.ts b/src/data/move.ts
index 79e2e9cfa75..9d2b2445fc0 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -744,8 +744,8 @@ export class HalfSacrificialAttr extends MoveEffectAttr {
 
   getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
     if (user.isBoss())
-      return -20;
-    return Math.ceil(((1 - user.getHpRatio()) * 10 - 10) * (target.getAttackTypeEffectiveness(move.type) - 0.5));
+      return -10;
+    return Math.ceil(((1 - user.getHpRatio()/2) * 10 - 10) * (target.getAttackTypeEffectiveness(move.type) - 0.5));
   }
 }