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 150 health.
Heal for 120 for each enemy hit with Obliteration.
Reduce the Cooldown of Dark Siphon by 2s after hitting at least one enemy with Obliteration.
Reduce the Cooldown of Dark Siphon and Obliteration by 0.4s after activating Tendril.
Reduce the Cooldown of Dark Siphon by 4s if it fails to hit a target.
Your Dark Siphon now deals an additional 10% of the target's maximum Health as damage over 1.5s.