遗物
先看它在什么时候真的有用
在提升射速的同时，约三分之一的射击会给战技冷却减 1 秒。射速越快技能转得越勤，等于把枪械流和战技流焊在了一起。
带入规划器怎么决定要不要拿
Take it when your current route already produces the frequency, battle skill 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。