遗物
先看它在什么时候真的有用
射击时高概率追加一道可弹跳的连锁闪电，等于白送的清群手段，射速越快触发越多。对雷电流或小怪成堆的关卡，它是普通品质里的优等生。
带入规划器怎么决定要不要拿
Take it when your current route already produces the lightning, crowd, reliable signals. The value comes from repeating that event, not from the item name or rarity alone.
If none of its triggers are happening yet, keep the slot open for a pick that strengthens the engine already on screen.
证据和关联对象
证据标记：Data-backed blueprint。数据按英文名称核对，中文名称只作为查找辅助。