Dark One

Bio
Dark One/DarkSiege or Dante Martinez was a human before an accidental ritual via the Book Of Desires caused Dante to loose his body and loose his sanity completely. This left Dante to loose his identity and crave for vengeance and sought that Jack caused this misfortune. He is one of the main adversaries to Jack, Bella, and Mark.

Appearance
Dante before the incident had tan skin and long shaggy black hair. After the incident Dante or Darkness was a black mist when seen. When Darkness took possession of a Jack from another universe he looks exactly identical from Jack ,but he wears a black and red suit and red sunglasses which is a dead giveaway.