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 the Health of your Bulwark by 400.
Heal for an additional 320 after activating Battle Shout.
Reduce your damage taken by 16% for 2s after hitting an enemy with Commander's Grab.
Increase your maximum Health by 600.
Gain 12% Lifesteal.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.