武器
先看它在什么时候真的有用
武器形态的区域控制：子弹沿途铺出滞留毒雾，站在里面的敌人持续掉血，蓄力越久毒雾越毒。卡走廊、磨推进的敌群非常好用；打灵活的单体目标贡献有限。
带入规划器怎么决定要不要拿
Keep it when acid is the Transmutation your current relics and Tarot already reference. Its firing rhythm and effect matter more than the rarity label.
Switching weapons can abandon element progress. Only make the move when the new effect fixes a real problem or the old engine has stopped appearing.
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。