C296 Tyrannosaurus Rex Oral Cavity

At this moment, more than half of the demonic spiritual energy in Niu Thirteen's body had been used up, but the effect was also obvious.

Right now, he could feel that he was not far from the Tyrannosaurus Rex's throat. However, a terrifying suction force was coming from the belly of the Tyrannosaurus Rex, continuously sucking him in.

This suction force made him escape really slow