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 16% Lifesteal.
Generate 12 Ammo after activating Battle Shout.
Generate 10 Ammo after activating Commander's Grab.
Reduce the Cooldown of Battle Shout by 0.6s.
Increase your maximum Ammo by 15.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.