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 20% of the damage Absorbed by Power Siphon.
Heal for 100 for each enemy hit with Shatterfall.
Heal for 180 for each enemy hit by Calamity Blast.
Generate 6% Power Siphon charge for each enemy hit with Massacre Axe.
Receive 25% increased Healing while at or below 50% Health.
Shatterfall Stuns enemies hit for 1s, but no longer Slows.