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.
Gain 50% Lifesteal.
Increase your maximum Health by 150.
Increase your maximum Ammo by 1.
Reduce your damage taken by 24% for 2s after using Shoulder Bash.
Reduce the Cooldown of Shoulder Bash by 4s.
Reduce your damage taken by 75% while using Shoulder Bash.