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 25% of the damage Absorbed by Power Siphon.
Generate 2% Power Siphon charge for each enemy hit with Calamity Blast.
Heal for 60 for each enemy hit by Calamity Blast.
Generate 30% of a Calamity Blast charge for each enemy hit with Massacre Axe.
Reduce the damage required to generate a Calamity Blast charge by 500.
Each Calamity Blast deals an additional 100 damage.