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 15% of the damage Absorbed by Power Siphon.
Reduce the damage required to generate a Calamity Blast charge by 500.
Generate 10% of a Calamity Blast charge for each enemy hit with Massacre Axe.
Increase your maximum Health by 450.
Receive 15% increased Healing while at or below 50% Health.
Reduce the damage you take by 20% while at or below 50% Health.