武器
先看它在什么时候真的有用
堆弹丸数量最干净的归宿之一：蓄力追加的弹丸不吃衰减，全额伤害生效，且所有子弹自带额外冰霜伤害。只要你的 Build 在堆弹丸数，这把枪就能接近线性地兑现收益，通用性很强。
带入规划器怎么决定要不要拿
Keep it when frost 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。