Saga de Isignia III: Catalyst (Spanish Edition) (Saga Insignia)

Tom Raines and his friends are anxious to return to Pentagonal Spire to resume their training. They soon realize things have changed. Strict rules are in place and all new students have chips implanted in their brains. A mysterious figure bursts onto the scene who fights the Coalition with methods that disturb Tom. Tom will have to decide whose side he is on and if the fight is really worth it.