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 160 after activating Advance.
Heal 180 health for each player hit by Missile Launcher.
Increase your maximum Health by 750.
Gain a 450-Health Shield for 4s after dropping to or below 30% Health.
Heal for 100 every 1s while Emitter is active.