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 your Movement Speed by 15% and gain {scale=5|5}% Lifesteal for 2s after falling to or below 40% Health.
Consuming Darkness stacks Heals you for an additional 30 per stack.
Reduce the Cooldown of Dark Siphon and Obliteration by 1.2000000000000002s after activating Tendril.
Reduce the Cooldown of Dark Siphon by 2s if it fails to hit a target.
Increase your maximum Health by 200.