C461 Green Dragon's Reversal

A terrifying thought flashed through Liu Mang's mind. His right hand pulled the invisible door next to him. Following that, he heavily shut the door.

Pah! -

At the top of the stairs, after a series of spatial ripples, the rippling spatial gate was tightly closed by Liu Mang.

When the invisible door closed, a truck-sized reptile flew over from the distance