C332 Heaven swallowing dragon

Fang Yao entered several electromagnetic codes in succession, but none of them were able to match the frequency and opened the door. Opening the door was a delicate task and would take some time.

Right at this moment, Fang Yao felt a chill on his back. Thus, he hurriedly squatted down. Following that, he felt a gust of cold wind blow past his scalp, causing him to feel a chill down his spine