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.
Reduce the damage you take by 16% for 3s after activating Tendril.
Increase your maximum Health by 200.
Increase the Healing received from Dark Siphon by 150 health.
Reduce the Cooldown of Dark Siphon by 1s if it fails to hit a target.
Heal for 180 for each enemy hit with Obliteration.