Naga's body held another world within it.

As far as the light could see, the walls of flesh were moving up and down in a regular pattern. The flesh of the monster was very special. There were irregular holes in the wall of flesh, and if one did not enter, they would spew out scorching hot streams of air. The temperature of these air currents was extremely high, and they were also the source of the high temperature phenomenon in Naga's body. Zero was like a watercourse worker, ...