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 damage taken by 16% for 2s after hitting an enemy with Commander's Grab.
Increase your maximum Health by 300.
Heal for 100 every 1s while Bulwark is active.
Increase the Health of your Bulwark by 1000.
Heal for an additional 160 after activating Battle Shout.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.