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 the Cooldown of Withdraw by 1.2s.
Reduce the Cooldown of Crippling Arrow by 1.2s.
Regenerate 180 Health every 1s during while using Rapid Shot.
Reduce your active Cooldowns by 40% when you get an Elimination.
Increase the rate at which your Longbow charges by 25%.