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.
Increase the Healing received from Dark Siphon by 150 health.
Heal for 240 for each enemy hit with Obliteration.
Gain a 150 Shield for 5s after activating Tendril.
Increase your maximum Health by 150.
Consuming Darkness stacks Heals you for an additional 30 per stack.