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 300 for each enemy hit with Obliteration.
Reduce the Cooldown of Dark Siphon by 0.4s after hitting at least one enemy with Obliteration.
Increase the Healing received from Dark Siphon by 250 health.
Increase your maximum Health by 50.
Generate 3% Ultimate charge for each enemy hit by Obliteration.