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.
Using an ability above Ire threshold Heals you for 225.
Heal for 25 for every percentage point of Ire consumed by abilities.
Heal for 140 for each enemy hit with Reckoning.
Increase your maximum Health by 300.
Heal for 225 after activating Conviction.
Gain 30% Lifesteal on your hits with Judgement.