diff --git a/src/data/ability.ts b/src/data/ability.ts
index 2e325a6249c..036078fd739 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -176,6 +176,10 @@ export abstract class AbAttr {
     this.extraCondition = condition;
     return this;
   }
+
+  willSucceed(pokemon: Pokemon, passive: boolean, simulated: boolean, args: any[]): boolean {
+    return true;
+  }
 }
 
 export class BlockRecoilDamageAttr extends AbAttr {