The Duel on Ossus was a personal engagement between the Sith Knight Darth Micail, Regent of the Sith Empire and Jedi Knight Ben Skywalker in 62 ABY; in the midst of the greater Battle of Ossus. Following Darth Micail's assault on the Jedi garrison on Dathomir, it became public knowledge that the entire garrison had been slaughtered; including Skywalker's cousin – Jaina Solo.