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 with Obliteration.
Increase your maximum Health by 150.
Consuming Darkness stacks Heals you for an additional 20 per stack.
Reduce the damage you take by 10% for 3s after hitting an enemy with Dark Siphon.
Increase the Healing received from Dark Siphon by 200 health.