Tomb of darkness

Is a construct made by the Khassans in order to trap the powerfull being Eon. It's main system is a man made black hole that is generated directly from the planets magic sourse, which when is activated create the event known as the Katalyst.

It is also the housing of the lost specis after the event, where they are stored in cryo sleep in order to escape harm from lack of magic. A additional system added by the techno mages and kings who made the ruling decition to activate the prison when the Eon was discovered to trap the being.