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 125 every 1s while Bulwark is active.
Increase the Health of your Bulwark by 200.
Heal for an additional 160 after activating Battle Shout.
Increase the recharge rate of your Bulwark by 12%.
Gain 20% Lifesteal.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.