The hideout is where the apostles meet, and take jobs. it is located in Yukatan and only Apostles of the stars may get in.
The hideout is a number of ruins and temples from ancient times. Main temples serve as meeting rooms while smaller ones serve as quarters.
This is where apostle rp that they are taking jobs assigned by the messiah.
this will also serve as the market for the apostles, allowing them to upgrade and learn powers