HERE! Dia really is their powerhouse then, as long as they build up a series. Like Phinks' Ripper Cyclotrone, but you gotta hit something first.
Bundus is great as well, I really enjoy his presence. Hopefully he will be back in future arcs, like Jabber. I feel like Urana-sensei was really testing the waters with this group, see who sticks etc - what the audience wants. Thus, I don't think we're going to see much of Fu, but I really hope the japanese audience liked Noerde, because I really did.
Also, we saw Bundus' Jinki produce finger, now it's whole skeletal arms. Maybe he's like a necromancer and can actually send out summons to fight for himself?