Spirit's Anguish

Cost 1 spirit wisp or spirit remnant from your spirit dwelling

Requirements You are holding your spirit dwelling.

You purify a spirit by coaxing it to release its anguish in a final cathartic howl. This deals sonic damage to all creatures in a 30-foot area, with a will save against your class DC or spell DC, whichever is higher. If you expend a spirit wisp, this deals scaling d4 sonic. If you expend a spirit remnant, this deals 1d6 sonic damage per level of the incorporeal undead or haunt from which you gained the remnant.