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 Movement Speed by 15%.
Reduce your active Cooldowns by 50% when you get an Elimination.
Each arrow of Rapid Shot reduces the Movement Speed of any enemy hit by 10% for 2s.
Reduce the Cooldown of Rapid Shot by 1.2s.
Reduce the Cooldown of Crippling Arrow by 0.6s.
Increase the rate at which your Longbow charges by 25%.