Blood flows

Blood Sacrifice Free Action Feat 4

Champion Cleric Exemplar Oracle Thaumaturge
Prerequisite: Worship Urgathoa
Frequency: Once per day

---

From blood comes power. Before you cast a divine spell, you can sacrifice a number of hit points equal to twice the rank of the next spell you cast. If you do so, you can a +1 circumstance bonus to attack and damage rolls as well as to the save DC of the spell.

Thoughts?