Fix Krumblor on Steam

src/Cache/Dragon/Dragon.js

@@ -14,7 +14,8 @@ export default function CacheDragonCost() {
       Game.dragonLevel < 25 &&
       Game.dragonLevels[Game.dragonLevel].buy.toString().includes('sacrifice')
     ) {
-      let target = Game.dragonLevels[Game.dragonLevel].buy.toString().match(/Objects\[(.*)\]/)[1];
+      const objectMatch = Game.dragonLevels[Game.dragonLevel].buy.toString().match(/Objects\[(.*)\]/);
+      let target = objectMatch !== null ? objectMatch[1] : Game.ObjectsById[Game.dragonLevel-5].name;
       const amount = Game.dragonLevels[Game.dragonLevel].buy
         .toString()
         .match(/sacrifice\((.*?)\)/)[1];