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.
Increase your maximum Health by 450.
Heal for 15% of the damage Absorbed by Power Siphon.
Heal for 200 for each enemy hit with Shatterfall.
Generate 4% Power Siphon charge for each enemy hit with Calamity Blast.
Generate 50% of a Calamity Blast charge for each enemy hit with Massacre Axe.
Reduce the damage you take by 20% while at or below 50% Health.