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 4s if it fails to hit a target.
Reduce the damage you take by 4% for 3s after activating Tendril.
Gain a 75 Shield for 5s after activating Tendril.
Reduce the Cooldown of Dark Siphon and Obliteration by 1.6s after activating Tendril.
Increase the Healing received from Dark Siphon by 250 health.