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 your active Cooldowns by 50% when you get an Elimination.
Increase your Movement Speed by 10% for 3s after Rapid Shot ends.
Reduce the Cooldown of Crippling Arrow by 2.4s.
Reduce the Movement Speed penalty while drawing your Longbow by 60%.
Hitting an enemy with Crippling Arrow reduces the Cooldown of Rapid Shot by 1.2s.
Increase the rate at which your Longbow charges by 25%.