遗物
先看它在什么时候真的有用
射击时按实际造成的伤害额外附加冰霜和火焰两份元素伤害，等于给武器输出直接上乘区，还能同时喂冰、火两系的联动。只要你的 Build 靠开枪输出，这件基本稳赚。
带入规划器怎么决定要不要拿
Take it when your current route already produces the frost, fire, 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。