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 3s after successfully hitting an enemy with Counter.
Reduce the Cooldown of Whirl by 1s for each enemy it hits.
Heal for 200 after using Counter.
Increase your maximum Health by 150.
Reduce the Cooldown of Counter by 75% after successfully hitting an enemy with Counter.
Heal for 15% of your maximum Health per second while using Billow.