A desolate and uninhabitable moon was among the six naturally occurring satellites that revolved around the planet known as Pujool. On the surface of this moon, the Galactic Empire, a rigidly controlled government that came into being following the conclusion of the Clone Wars, built a clandestine and heavily guarded prison called the Crypt. Given the covert nature of the Crypt, individuals who approached this desolate moon were prone to vanishing without a trace.