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 maximum Health by 50.
Heal for 180 for each enemy hit with Obliteration.
Generate 3% Ultimate charge for each enemy hit by Obliteration.
Reduce the cooldown of Tendril by 2.4s.