遗物
先看它在什么时候真的有用
约一半的射击会追加一根冰刺，路径上的敌人全部挂【冻结】。作为普通品质，它是维持冻结覆盖率最便宜的方式之一，冰霜流开局看到就可以拿。
带入规划器怎么决定要不要拿
Take it when your current route already produces the freeze, frost, 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。