sentences:  Matt journeyed upland where he meets Professor Joanna Chambers and learned the location of the second gate, and also he learned that Salamanda had a base in the desert.He, Richard, the Incas and Pedro attacked the base, disarming the headquarters and attempting to disarm the satellite which Salamanda was using to awaken the Old Ones.It was during this battle that Richard and Matt realized that the traitor in the Nexus was actually Fabian, who was an author in Salamanda's employment (as Salamanda was his publisher).