The reason why Chu Yunsheng felt that the time was pressing, and the giant head would probably decent into his body using force was that he just had a strange ominous feeling, as if there was a shadow watching him somewhere in the dark, and waiting for the opportunity to come out. This kind of feeling was exactly like there was something that did not belong to him inside his body, and this thing could take over the control of his body instantly.
This was something that he has never encountered before. It contained a fatal danger, making Chu Yunsheng very anxious. He needed strong enough force to eliminate it.