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 your maximum Health by 250.
Reduce the Cooldown of Dark Siphon by 1s if it fails to hit a target.
Consuming Darkness stacks Heals you for an additional 20 per stack.
Reduce the cooldown of Tendril by 1.2s.
Heal for 300 for each enemy hit with Obliteration.