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 240 for each enemy hit with Obliteration.
Increase your maximum Health by 100.
Consuming Darkness stacks Heals you for an additional 40 per stack.
Reduce the damage you take by 8% for 3s after activating Tendril.
Increase the Healing received from Dark Siphon by 150 health.