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.
Every Soul Orb stack you detonate increases your Movement Speed by 3% for 4s, up to a maximum of 15%.
Increase your maximum Health by 150.
Reduce the cast time of Shadow Travel by 30%.
Reduce the Cooldown of Shadow Travel by 3.2s.
Reduce the Cooldown of Rend Soul by 0.7s.