Increase the Healing allies receive from Swarm by 12%, but increase its cost by {scale=4|4}%.
Level 3
Blood Cannon
Armor
Increase extra Blood Health by 200 while decreasing base Health by {scale=125|125}.
Level 1
Waning Moon
Blood Hex
Reduce the Blood cost of Swarm by 10% while an ally is marked by Blood Hex.
Level 2
Enriched Blood
Swarm
Increase the damage and Healing of Swarm by 16%, but reduce its duration by {scale=0.35|0.35}s.
Level 4
Sharpened Slaughter
Weapon
Increase Projectile Speed by 50%, but set your maximum Ammo to 2.
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%.