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.
Increase your maximum Ammo by 10.
Increase your maximum Health by 250.
Increase your Movement Speed by 24% while Shadow Travel is active.
Increase the Healing done by Rend Soul by 8%.
Every Soul Charge you detonate generates 1 Ammo.