Blood Frenzy

Go into a wrathful form in which all attacks activate the bleed stacks on any creature hit. For 1 attack used on turn cause one of 2 effects 

Blood Burst - a violent explosion of blood on a opponent killed that turn (4d8+casting mod) 30ft area

Vein burst - inflict high damage on one target adding 2 bleed dice (4d12+casting mod) and activate all bleed dice on opponent.

This spell causes backlash of (4d8) per round. 

after effect ends, 3 levels of exhaustion and disadvantage on all attack rolls for 1 round.