Nuclear Powered Sword Immortal

*“In the name of the Federation Command, I order you to withdraw. Otherwise, all-out war awaits you.”

“War?”*

Gujin took a step forward. His form swelled against the wind, transforming in an instant from less than two meters tall into a chaotic demon god thousands of meters high. A white dwarf-like radiance emanated from him. His gravitational pull alone unleashed thunder and lightning, tidal waves, and storms across a thousand-mile radius. He reached out, and a hydrogen bomb fell into his hand.

“I think you should choose peace.”