Solaris, ruled by Emperor Cain and an AI collective known as the Gazel Ministry, commands the Gebler army and the Ethos and secretly uses both to dominate the land-dwellers. Chrono Resurrection Chrono Trigger:

PlayStation Magazine. They are rescued by the Thames, a mobile floating city.

There have been several Japanese books and comics published concerning the Xenogears franchise. In other projects Wikiquote.