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 450 for each champion hit by Juggernaut.
Increase your maximum Health by 300.
Each Soul Fragment gathered Heals you for 60.
Heal for 400 after activating Soul Harvest.
Increase the distance traveled by Juggernaut by 16%.
Increase your Ultimate charge rate by 60%.