Wang Linchi was grateful that he hadn't chosen to break out initially, as that would have undoubtedly resulted in death.
The beast tide had already arrived; there were countless of them coming from all directions. More importantly, these beasts were not ordinary. Each one had red eyes and radiated an aura of madness. In Wang Linchi's eyes, the souls of these beasts were in utter chaos, all under control. Moreover, some kind of parasitic worm, probably a Gu Insect, was rooted in their bodies.
At least two forms of The Heritage of the Sky Devil, one involves Soul Control, the other is Gu Technique. Wang Linchi felt that this time, things were genuinely troublesome.