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 2s if it fails to hit a target.
Reduce the damage you take by 10% for 3s after hitting an enemy with Dark Siphon.
Heal for 240 for each enemy hit with Obliteration.
Reduce the Cooldown of Dark Siphon and Obliteration by 1.2000000000000002s after activating Tendril.
Increase the Healing received from Dark Siphon by 150 health.
Tendril gains a second charge, but its Cooldown is increased by 2s.