Qian Lei, Aoki, and Jin Chuan are all very strong, but even they didn't notice anything, their attention was all on Yuhua Jinzhu and the female alchemist.

Wang Xuan wondered if only those who had entered the inner scene and absorbed this substance could discover the abnormality?

It wasn't until the end that he was convinced that those people really didn't capture the mysterious factor in the underground cave, and regarded this special substance as air.