Space is fraught with many secrets, and this sector is one of the most mysterious and dangerous of them. This is indicated, at a minimum, by the fact that most of the ships whose route ran through this area have not reached their destination.
This location hosts a massive structure, which, presumably, is a spatial trap left by an unknown civilization. Its connection to the tragedy on Pandora could not be established, but the proximity of the objects makes one think.
Research conducted in the anomalous zone before the invasion helped to establish that objects like Devil's Jaw make significant distortions in the structure of space and time, which disables all navigation systems, and also jams signals for other receivers for many light years around.
But despite all the dangers waiting for pilots here, even now it is a convenient point for controlling the surrounding trade routes, and for this reason, Sparta and the Legionaries are competing for it.