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 4s after hitting an enemy with Dark Siphon.
Increase your Movement Speed by 4% for 1s after hitting anything with Deadly Scythe.
Reduce the Cooldown of Dark Siphon by 4s if it fails to hit a target.
Heal for 180 for each enemy hit with Obliteration.
Increase your maximum Health by 150.
Obliteration now Silences enemies hit for 1.65s.