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.
Heal for 300 after using Counter.
Increase your Movement Speed by 44% while Billow is active.
Increase your maximum Health by 100.
Reduce the Cooldown of Billow by 42% after getting an Elimination.
Reduce the Cooldown of Whirl by 3s after using Billow.
Heal for 15% of your maximum Health per second while using Billow.