Although completing apprenticeship was unfavorable, and they had been played tricks on by the Dragon Palace at first, everyone in the Immortal Du Sect became cautious as a result.
Li Changshou was slightly relieved at this and had never let his guard down.
More and more people gradually surrounded them. Li Changshou felt that such an environment was rather unsuitable. Especially when strangers were all near him, he had to constantly pay attention to every single movement at all times.
A Wind Speech Incantation was used in the dark.
Whenever the breeze blew past, it would transmit pieces of information to Li Changshou while he processed them thoroughly.
When he used his spiritual senses to examine other people, it was akin to using his line of sight to look at them. The latter would sense it if they were vigilant.
This was considered as active detection.