This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Reduce the Cooldown of Whirl by 5s after using Billow.
Increase your maximum Health by 150.
Reduce the Cooldown of Whirl by 1.5s for each enemy it hits.
Increase your maximum Ammo by 2.
Generate 2 Ammo after activating Whirl.
Heal for 15% of your maximum Health per second while using Billow.