Increase the damage and Healing of Swarm by 16%, but reduce its duration by {scale=0.35|0.35}s.
Level 4
Charmed
Blood Hex
Increase your ally's Movement Speed by 4% while they are marked by Blood Hex.
Level 1
Waning Moon
Blood Hex
Reduce the Blood cost of Swarm by 20% while an ally is marked by Blood Hex.
Level 4
Blood Cannon
Armor
Increase extra Blood Health by 400 while decreasing base Health by {scale=125|125}.
Level 2
Overflowing Delights
Swarm
Increase the Radius of Swarm by 8%, but increase its cost by {scale=3|3}%.
Level 4
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%.