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.
Regenerate 300 Health every 1s during while using Rapid Shot.
Increase your maximum Health by 100.
Heal for 140 after hitting an enemy with Crippling Arrow.
Reduce the Cooldown of Rapid Shot by 0.6s.
Heal for 400 after using Withdraw.
Increase the rate at which your Longbow charges by 25%.