The title of this article is conjectural.

Although this article is based on official information from the Star Wars Legends continuity, the actual name of this subject is pure conjecture.

"Staff-like object created by an unknown ancient Sith. Reportedly imbued with numerous fantastical and damaging abilities. Rumors of object's sentience remain uninvestigated."
―Description of the Darkstaff[src]

An individual was a member of the Sith Order who lived thousands of years before the Clone Wars. At some point, the individual created the Darkstaff, a dangerous Sith artifact that the Sith Lord Darth Rivan later speculated was the result of an experiment that had gone wrong. The Sith individual regretted creating the staff and was eventually killed by the artifact.