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.
Generate 9% Power Siphon charge for each enemy hit with Massacre Axe.
Generate 4% Power Siphon charge for each enemy hit with Calamity Blast.
Heal for 10% of the damage Absorbed by Power Siphon.
Heal for 240 for each enemy hit by Calamity Blast.
Reduce the damage required to generate a Calamity Blast charge by 400.
Shatterfall Stuns enemies hit for 1s, but no longer Slows.