The Mission to Bast Castle was a mission by a team of Jedi under Tionne sent to the former Imperial fortress of Bast Castle on Vjun in 22 ABY. The purpose of Solusar's mission was to investigate rumors that the fortress contained the late Jedi Knight Obi-Wan Kenobi's lightsaber and to obtain it if proven true. The mission also included Jedi Master Ikrit, Jedi adepts Anakin Solo—the youngest son of Han Solo and Leia Organa Solo, Tahiri Veila, the droid R2-D2, and Solo's friend Uldir Lochett.