Increase Projectile Speed by 10%, but set your maximum Ammo to 2.
Level 1
Waning Moon
Blood Hex
Reduce the Blood cost of Swarm by 25% while an ally is marked by Blood Hex.
Level 5
Blood Cannon
Armor
Increase extra Blood Health by 400 while decreasing base Health by {scale=125|125}.
Level 2
Symbiotic Relationship
Swarm
Increase the Healing allies receive from Swarm by 16%, but increase its cost by {scale=4|4}%.
Level 4
Overflowing Delights
Swarm
Increase the Radius of Swarm by 6%, but increase its cost by {scale=3|3}%.
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%.