The Sakuub Holocron was a Jedi Holocron that was present on the ground near the ruins of the Sky Temple of Karsol. Jaina Solo suspected that it contained information regarding Abeloth that the Jedi Order could utilize it should she return. However, an unknown group intended to gain the Holocron as well.
Appearances
"Getaway" — Star Wars Insider 134 (reprinted in Star Wars Insider: The Fiction Collection Volume 1) (First appearance)