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 the Cooldown of Crippling Arrow by 3s.
Reduce your active Cooldowns by 40% when you get an Elimination.
Hitting an enemy with Crippling Arrow reduces the Cooldown of Rapid Shot by 2.4s.
Reduce the Cooldown of Withdraw by 0.6s.
Heal for 80 after using Withdraw.
Increase the rate at which your Longbow charges by 25%.