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.
Regenerate 120 Health every 1s during while using Rapid Shot.
Hitting an enemy with Crippling Arrow reduces the Cooldown of Rapid Shot by 1.2s.
Reduce the Cooldown of Crippling Arrow by 1.2s.
Reduce your active Cooldowns by 40% when you get an Elimination.
Increase the rate at which your Longbow charges by 25%.