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 by 0.8s after hitting at least one enemy with Obliteration.
Gain a 300 Shield for 5s after activating Tendril.
Reduce the cooldown of Tendril by 2.4s.
Reduce the Cooldown of Tendril by 1.2s after hitting an enemy with Dark Siphon.