Increase the damage and Healing of Swarm by 20%, but reduce its duration by {scale=0.35|0.35}s.
Level 5
Overflowing Delights
Swarm
Increase the Radius of Swarm by 2%, but increase its cost by {scale=3|3}%.
Level 1
Waning Moon
Blood Hex
Reduce the Blood cost of Swarm by 15% while an ally is marked by Blood Hex.
Level 3
Unholy Flight
Death Wings
Reduce your damage taken by 5% for 1.5s after activating Death Wings.
Level 1
Blood Cannon
Armor
Increase extra Blood Health by 1000 while decreasing base Health by {scale=125|125}.
Level 5
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%.