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 1.2000000000000002s after hitting at least one enemy with Obliteration.
Increase your Movement Speed by 15% and gain {scale=5|5}% Lifesteal for 2s after falling to or below 40% Health.
Reduce the cooldown of Tendril by 2.4s.
Reduce the Cooldown of Dark Siphon and Obliteration by 1.2000000000000002s after activating Tendril.
Increase your maximum Health by 100.
Tendril gains a second charge, but its Cooldown is increased by 2s.