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.
Heal for 350 after hitting an enemy with Crippling Arrow.
Reduce your active Cooldowns by 10% when you get an Elimination.
Increase your maximum Health by 100.
Heal for 160 after using Withdraw.
Regenerate 300 Health every 1s during while using Rapid Shot.
Increase the rate at which your Longbow charges by 25%.