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%.
Your Movement Speed is increased by 32% while any enemy is marked with a Soul Orb stack.
Heal for 140 every 1s while channeling Restore Soul.
Every Soul Charge you detonate generates 4 Ammo.
Increase the Healing done by Rend Soul by 16%.