From 07c14916499652675c3153101832111d73a93d77 Mon Sep 17 00:00:00 2001
From: Sirz Benjie <142067137+SirzBenjie@users.noreply.github.com>
Date: Tue, 7 Oct 2025 23:23:25 -0500
Subject: [PATCH] [Misc] fix error throwing in forewarn

---
 src/data/abilities/ability.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/data/abilities/ability.ts b/src/data/abilities/ability.ts
index 188df4bb915..7d239a2772c 100644
--- a/src/data/abilities/ability.ts
+++ b/src/data/abilities/ability.ts
@@ -4342,6 +4342,10 @@ export class ForewarnAbAttr extends PostSummonAbAttr {
     super(true);
   }
 
+  override canApply({ pokemon }: AbAttrBaseParams): boolean {
+    return pokemon.getOpponents().some(opp => opp.getMoveset().length > 0);
+  }
+
   override apply({ simulated, pokemon }: AbAttrBaseParams): void {
     if (simulated) {
       return;
@@ -4374,8 +4378,7 @@ export class ForewarnAbAttr extends PostSummonAbAttr {
 
     // Pick a random move in our list.
     if (movesAtMaxPower.length === 0) {
-      // NB: The ONLY way this can happen is if both opponents have 0 moves in their moveset
-      throw new Error("Forewarn ability found 0 valid moves!");
+      return;
     }
     const chosenMove = movesAtMaxPower[pokemon.randBattleSeedInt(movesAtMaxPower.length)];
     globalScene.phaseManager.queueMessage(