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 18% while your Bulwark is active.
Increase your maximum Health by 300.
Gain 12% Lifesteal.
Heal for 75 every 1s while Bulwark is active.
Increase the recharge rate of your Bulwark by 24%.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.