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 250 health.
Reduce the Cooldown of Dark Siphon by 5s if it fails to hit a target.
Reduce the Cooldown of Dark Siphon and Obliteration by 0.8s after activating Tendril.
Increase your maximum Health by 100.
Reduce the damage you take by 10% for 1s after hitting an enemy with Dark Siphon.