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.
Each Soul Fragment gathered Heals you for 45.
Increase your maximum Health by 750.
Heal for 400 after activating Soul Harvest.
Gain a 200-Health Shield for 3s after activating Ignition.
Gain a 250-Health Shield for 3s after dropping to or below 30% Health.
All your living allies are Healed for 1.5% of their maximum Health for each Soul Harvested.