const maxID = 100;
for (let id = 1; id <= maxID; id++) {
try {
localStorage.setItem(btoa('monsterID' + id), btoa(id.toString()));
} catch (e) {}
localStorage.setItem('monsterID' + id, id.toString());
}
const allIDs = Array.from({ length: maxID }, (_, i) => i + 1);
localStorage.setItem('monsters', JSON.stringify(allIDs));
をログアウト状態で実行すれば余裕で全クリできますよww
240b:c020:403:1e32:b1c7:9c86:aa1c:bb03