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.
Gain a 750-Health Shield for 3s after dropping to or below 30% Health.
Heal for 150 for each champion hit by Juggernaut.
Increase your maximum Health by 300.
Heal for 500 after activating Soul Harvest.
Reduce your damage taken by 20% for 3s after activating Soul Harvest.
All your living allies are Healed for 1.5% of their maximum Health for each Soul Harvested.