遗物
先看它在什么时候真的有用
无条件常驻 +1 弹丸，蓄满射击再多 1 发。弹丸数几乎和所有加成相乘，什么枪都吃得上，蓄力武器的收益更是翻倍级。
带入规划器怎么决定要不要拿
Take it when your current route already produces the extra shot, 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。