Increase extra Blood Health by 1000 while decreasing base Health by {scale=125|125}.
Level 5
Overflowing Delights
Swarm
Increase the Radius of Swarm by 6%, but increase its cost by {scale=3|3}%.
Level 3
Unholy Flight
Death Wings
Reduce your damage taken by 5% for 1.5s after activating Death Wings.
Level 1
Sheer Ascent
Death Wings
Increase vertical movement of Death Wings by 15%.
Level 3
Waning Moon
Blood Hex
Reduce the Blood cost of Swarm by 15% while an ally is marked by Blood Hex.
Level 3
Maelstrom of Carnage
Swarm
Swarm is now cast on yourself and follows you around instead of being placed on the ground, its ability cost is decreased by 25%, and its radius is increased by 30%.