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 100 every 1s while Agility is active.
Increase your maximum Health by 50.
Increase your maximum Ammo by 10.
Generate 20% Energy after falling to or below 50% Health.
Heal for 200 after activating Shadow Step.