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 Movement Speed by 10% for each Calamity Charge you have.
Heal for 60 for each enemy hit by Calamity Blast.
Increase your maximum Health by 450.
Reduce your damage taken by up to 16% based on the number of Calamity Blast charges you have stored.
Generate 6% Power Siphon charge for each enemy hit with Massacre Axe.
Reduce the damage you take by 20% while at or below 50% Health.