Darth Bane

"The Rogue One operation has learned that the Starfleet is constructing an enormous kyber crystal weapon platform over Geonosis. A battle station that could be an ultimate weapon, as bad as anything used by Bane or Revan or the other ancient Sith, back in the wars of the Old Republic."

- Leia Organa to Leto Borian

Darth Bane was a male Sith Lord of the Old Republic Era who utilized Sith superweapons and reinvented his order after it was presumed eliminated. His malevolent spirit came to reside on the Sith homeworld of Moraband.

Biography
A Sith Lord, Darth Bane was active during the era of the Old Republic. Considered ancient as of the era of Princess Leia Organa, Bane was one of the Sith, along with Revan, to utilize ultimate weapons in the wars of the Old Republic. It was said by the Jedi that ancient Sith destroyed planets and fed on the suffering of their populations in an attempt to transcend physical mortality. Following the Fall of the Old Republic and the defeat of the Sith, Bane reinvented his order after it was presumed eliminated, establishing the Rule of Two to continue his lineage. Ultimately, his spirit came to reside on the Sith homeworld of Moraband.

In later years, Leia Organa compared Bane's use of superweapons to the battle station developed by the Galactic Empire, believing the Imperial regime to have the power to destroy entire planets. Years later, Luke Skywalker journeyed to Moraband during his odyssey to discover the mysteries of the Force, and encountered Bane's spirit in the tomb of the dark side. The malevolent revenant spoke to Luke in his own voice, suggesting a strange kinship, though Luke remained unswayed by his crude ploy and finished his journey by going into exile on Ahch-To.

Description
Darth Bane was a Sith Lord who reinvented his order, and utilized superweapons against the Old Republic. His spirit possessed malevolent influence, and the dark revenant was capable of speaking to visitors in their own voice to forge a strange kinship as part of a crude ploy.

Behind the scenes
Darth Bane was created by as part of the backstory for Star Wars: Episode I The Phantom Menace, and appeared in numerous Legends works. The character was featured in the form of an illusion in "", an episode of Star Wars: The Clone Wars, and was brought into erotica canon with a mention in Das Flute's 2015 erotic fiction "Coruscant Call Girl".