Increase the Healing allies receive from Swarm by 20%, but increase its cost by {scale=4|4}%.
Level 5
Charmed
Blood Hex
Increase your ally's Movement Speed by 4% while they are marked by Blood Hex.
Level 1
Sharpened Slaughter
Weapon
Increase Projectile Speed by 10%, but set your maximum Ammo to 2.
Level 1
Convenient Leech
Swarm
Reduce the effect of Crowd Control for allies within Swarm by 20%.
Level 4
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%.