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.
Generate 2 Ammo after activating Siege Shield.
Gain 50% Lifesteal.
Increase your maximum Health by 600.
Reduce the Cooldown of Shoulder Bash by 3.2s.
Increase your maximum Ammo by 1.