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.
Increase your maximum Health by 200.
Reduce your active Cooldowns by 30% when you get an Elimination.
Reduce the Cooldown of Crippling Arrow by 1.2s.
Heal for 70 after hitting an enemy with Crippling Arrow.
Reduce the Movement Speed penalty while drawing your Longbow by 100%.
Increase the rate at which your Longbow charges by 25%.