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 Cooldown of Dark Siphon by 3s 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.
Heal for 240 for each enemy hit with Obliteration.
Reduce the cooldown of Tendril by 2.4s.