遗物
先看它在什么时候真的有用
滚雪球引擎：每打完一场战斗白送一个带【启程】或【终点】词条的遗物。拿得越早越赚，一整局下来相当于免费扩充半套 Build。
带入规划器怎么决定要不要拿
Take it when your current route already produces the embarkation, destination, economy 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。