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 10% for 3s after hitting an enemy with Dark Siphon.
Increase the Healing received from Dark Siphon by 50 health.
Increase your maximum Health by 100.
Reduce the damage you take by 20% for 3s after activating Tendril.
Reduce the cooldown of Tendril by 2.4s.