The two of them continued to shuttle back and forth, using all means available to them to prevent themselves from being corroded by the gray mist.
In order to find the space origin source, they had used almost all their strength, but when they reached the fourteenth floor, they really couldn't hold on any longer.
Li Tian was still fine, as he had absorbed the ancient God blood essence. However, the Fatty's arm and other parts had already started to petrify and turned gray. If he continued to absorb the blood essence, the consequences would be unimaginable.
"I know, this should be the legendary 18th level of hell," The fatty said with great difficulty.
The 18 levels of hell was a legendary formation that divided space into 18 levels. The reason why it was called the 18 levels of hell was that this formation could stack the things in the first level.