技能
先看它在什么时候真的有用
弹幕扩容：[致命银弹]每轮多打三发，而且发发穿透。打群怪时总输出翻着涨，弹数变多也意味着印记、异常这类命中触发的效果更容易铺开。
带入规划器怎么决定要不要拿
Take it when your current route already produces the volley, crowd, extra shot 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。
