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.
Reduce your damage taken by up to 20% based on the number of Calamity Blast charges you have stored.
Reduce the Movement Speed penalty during Power Siphon by 15%.
Increase your maximum Health by 600.
Generate 9% Power Siphon charge for each enemy hit with Massacre Axe.
Heal for 10% of the damage Absorbed by Power Siphon.
Reduce the damage you take by 20% while at or below 50% Health.