"That's the Spirit Condensing Technique. It is indeed quite an extraordinary secret technique created by the Azure Race, but a strict set of prerequisites must be satisfied before the technique can be cultivated. Not only do the cultivators involved have to be brothers related by blood, their cultivation arts and cultivation bases also have to be extremely closely matched before they can unleash this technique. In contrast with all of the other Heavenly Cloud Races, most Azure beings are born as conjoined siblings where it's quite common even for six or seven siblings to be conjoined as a single being. However, after they grow up a little, they'll be able to split up, and Azure beings are stationed at all four city gates of Cloud City to conduct examinations on all those seeking to enter the city. After unleashing their Spirit Condensing Technique, even beings of a far superior cultivation base to theirs wouldn't be able to hide anything from them," Jia Tianmu explained with a smile.

Han Li was a little disappointed to hear this, but he then decided that it certainly couldn't hurt to reference such an extraordinary technique as that could assist him in his own cultivation. With that...