"Try doing it with a mountain-sized dragon chasing you." Hiccup unbuckled himself, rotated his foot back into position, and dismounted.

"So, someone has to be in this general area. Main control room's probably our best bet, but they could be anywhere. If what little I've learned about how things work here meshes with what I already knew about electricity, it'd be like attacking an aqueduct. You can damage the reservoir, or you can attack the conduits leading from it," he said, gesturing to the various wires and ducts, "only instead of water, it's electricity and information."

It was...mostly wild speculation, but speculation Hiccup felt good about.