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.
Reduce the Cooldown of Shoulder Bash by 4s.
Reduce your damage taken by 24% for 2s after using Shoulder Bash.
Gain 50% Lifesteal.
Generate 2 Ammo after activating Siege Shield.
Increase your maximum Ammo by 1.