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 damage you take by 10% for 5s after hitting an enemy with Dark Siphon.
Heal for 60 for each enemy hit with Obliteration.
Increase your maximum Health by 50.
Increase your Movement Speed by 15% and gain {scale=5|5}% Lifesteal for 2s after falling to or below 40% Health.
Reduce the damage you take by 20% for 3s after activating Tendril.