Operation: Save the world (a male reader spy x Atla story)

Y/N, also known as Catastrophe, finally starts his mission on taking out the Firelord, but he needed the Avatar's help to win against the fire nation. Follow along Y/N as he tries to help the Avatar and his friends on defeating the Firelord with his skills as a spy and unique bending!

Note: This story is an alternate book for the "The Gravity Bender"