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.
Reduce your damage taken by 20% for 3s after activating Soul Harvest.
Heal for 300 for each champion hit by Juggernaut.
Increase your maximum Health by 450.
Reduce your damage taken by 9% for 3s after activating Ignition.
Each Soul Fragment gathered Heals you for 45.
All your living allies are Healed for 1.5% of their maximum Health for each Soul Harvested.