From 416c52f3257601384da619f8fc51d01cefd8fb75 Mon Sep 17 00:00:00 2001
From: damocleas <damocleas25@gmail.com>
Date: Mon, 4 Aug 2025 22:14:02 -0400
Subject: [PATCH] Update arena.ts

---
 src/field/arena.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/field/arena.ts b/src/field/arena.ts
index 484450cc5df..ed2f1df9b12 100644
--- a/src/field/arena.ts
+++ b/src/field/arena.ts
@@ -145,7 +145,7 @@ export class Arena {
             ? BiomePoolTier.BOSS_SUPER_RARE
             : BiomePoolTier.BOSS_ULTRA_RARE;
     console.log(BiomePoolTier[tier]);
-    while (!this.pokemonPool[tier].length) {
+    while (!this.pokemonPool[tier]?.length) {
       console.log(`Downgraded rarity tier from ${BiomePoolTier[tier]} to ${BiomePoolTier[tier - 1]}`);
       tier--;
     }