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.
Each arrow of Rapid Shot reduces the Movement Speed of any enemy hit by 25% for 2s.
Reduce the Movement Speed penalty while drawing your Longbow by 100%.
Reduce your active Cooldowns by 20% when you get an Elimination.
Increase the duration of the Cripple effect applied by Crippling Arrow by 0.1s.
Reduce the Cooldown of Withdraw by 1.2s.
Reduce the Cooldown of Crippling Arrow by 1s. Crippling Arrow now Silences and Slows enemies by 15% for 2s instead.