遗物
先看它在什么时候真的有用
直接提高冰霜伤害，并让战技之后的下一次伤害附带触发冻结的暴风雪。战技用得勤的冰霜流，等于随时能按需控场。
带入规划器怎么决定要不要拿
Take it when your current route already produces the frost, freeze, 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。