Ohma

Ohma is a God Warrior that the is found fully intact under Pejitei.

It carries the most powerful weaponry: A laser-like blast that can destroy entire mountains, more focused beams that can be used to kill individual enemies. It can fly faster than the Valley Gunship, and gives off a "poisonous light (apparently similar to gamma radiation) that can cause sickness or death to anyone spending time in his presence.

(Source: Nausicaä Wiki)