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 your active Cooldowns by 8% after getting an Elimination.
Increase the recharge rate of your Bulwark by 6%.
Increase your Healing received by 24% while your Bulwark is active.
Reduce the Cooldown of Battle Shout by 3s.
Increase your maximum Health by 600.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.