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.
Heal for an additional 160 after activating Battle Shout.
Increase your Healing received by 30% while your Bulwark is active.
Reduce your active Cooldowns by 16% after getting an Elimination.
Increase your maximum Health by 450.
Reduce your damage taken by 24% for 2s after hitting an enemy with Commander's Grab.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.