Tulak Hord's ritual

Tulak Hord's ritual was a powerful Force rite developed by the Dark Lord of the Sith Tulak Hord. The ritual was an act of Sith magic that allowed the performing Sith sorcerer to conduct an act of essence transfer&mdash;to move one's spirit out of their own body and into the body of another. Darth Zash performed the ritual around 3,643 BBY.

Appearances
Star Wars: The Old Republic