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 300 after activating Soul Harvest.
Heal for 300 for each champion hit by Juggernaut.
Reduce your damage taken by 15% for 3s after activating Soul Harvest.
Increase your Reload Speed by 14%.
Each Soul Fragment gathered Heals you for 75.
All your living allies are Healed for 1.5% of their maximum Health for each Soul Harvested.