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 180 for each enemy hit by Calamity Blast.
Increase your maximum Health by 300.
Reduce the damage required to generate a Calamity Blast charge by 400.
Generate 8% Power Siphon charge for each enemy hit with Calamity Blast.
Heal for 10% of the damage Absorbed by Power Siphon.
Each Calamity Blast deals an additional 100 damage.