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 400 after activating Soul Harvest.
Each Soul Fragment gathered Heals you for 60.
Gain a 500-Health Shield for 3s after dropping to or below 30% Health.
Reduce your damage taken by 5% for 3s after activating Soul Harvest.
Heal for 600 for each champion hit by Juggernaut.
Increase your Ultimate charge rate by 60%.