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.
Increase your Healing received by 12% while your Bulwark is active.
Generate 15 Ammo after activating Commander's Grab.
Increase your maximum Ammo by 15.
Increase your maximum Health by 300.
Generate 12 Ammo after activating Battle Shout.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.