Rex, who looks like he is hardly 13, is actually 19 years old, but has the mind of a genus. This guy just loves to question everything around him and it isn't long before he finds the answers to said questions. This quick thinking, Normal type trainer will definitely keep you on your toes.
Though not quite as big as Estriatus City, this town is renown for it's advancements in technology. This is by far the most advanced town in the entire region, so you should take advantage of the fancy equipment available here.