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 25% while firing your SMGs.
Increase your maximum Health by 50.
Increase your maximum Ammo by 5.
Heal for 60 every 1s while Agility is active.
Regenerate 20 Ammo every 1s while Agility is active.