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 12% while your Bulwark is active.
Heal for 50 every 1s while Bulwark is active.
Increase your maximum Health by 600.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.