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.
Heal for 180 for each enemy hit with Obliteration.
Reduce the Cooldown of Dark Siphon by 1s if it fails to hit a target.
Increase your maximum Health by 150.
Reduce the damage you take by 10% for 5s after hitting an enemy with Dark Siphon.
Generate 3% Ultimate charge for each enemy hit by Obliteration.
Your Dark Siphon now deals an additional 10% of the target's maximum Health as damage over 1.5s.