This subspecies of Metal God is said to hold within its massive body an enormous collection of information on the known world. For some reason they enjoy exhibiting the knowledge they hold inside, though since they speak regardless of whether or not someone wants to listen they are generally considered a nuisance. When they do occasionally notice someone subtly taking interest in them they quickly become silent, however they are just as quick to resume the conversation.
Thunder Gods are best used as an ingredient for fusion, providing a base of 51,518 XP. When fused with Thunder element units, it grants 77,277 XP, not including Great Success (x1.5) or Super Success (x2). Thunder Gods only sell for 5000 Zel each.