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 20% for 3s after Rapid Shot ends.
Heal for 240 after using Withdraw.
Increase your maximum Health by 200.
Reduce your active Cooldowns by 30% when you get an Elimination.
Heal for 210 after hitting an enemy with Crippling Arrow.
Increase the rate at which your Longbow charges by 25%.