Chen Xi and Guo Jia both noticed Chen Gong's hand tremble, involuntarily frowning, as they both overlooked the words Chen Xi had said before. Indeed, habit can be a terrifying force; even someone with the remarkable strategy of Guo Jia can be blinded by it.
It seems that at moments like this, aside from those top sages who do not have such habits, probably only Jia Xu would notice someone slipping up in speech. Jia Xu was never blinded by habit because his spiritual talent in logic was overly meticulous, making it difficult for any faults to arise.
However, if Jia Xu had been present this time, given his ruthless nature, he might have fought to keep Chen Gong no matter what, refusing to allow any threat to remain. After all, their plan of using the world as a chessboard and all beings as pieces was a monumental conspiracy they had worked onerously on; no mistake could be tolerated, especially when the table was set to be flipped this very year. How could they allow for change?