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 240 after using Withdraw.
Increase your maximum Health by 150.
Reduce the Movement Speed penalty while drawing your Longbow by 40%.
Heal for 280 after hitting an enemy with Crippling Arrow.
Reduce the Cooldown of Crippling Arrow by 1.7999999999999998s.
Increase the rate at which your Longbow charges by 25%.