如何获得背鳍
背鳍的已知来源：1个区域中3种怪物的掉落。
如何获得此物品
已知的物品获取方式。
特定怪物掉落
Solo chances after combining this item's independent mob, global, and zone rolls. Locations with matching chances are grouped.
阅读 掉落率与组队战利品指南 for party division and repeated-roll behavior.
In a group, each player's drop chance is divided by the number of eligible looters. Repeated item rolls remain independent.
任务关联
会使用或奖励此物品的可用任务。
探索相似物品
Other junk items connected by crafting, equipment set, subtype, and level.
