Outside, Wu Chenlu, who watched Chen Xuan enter the innermost Gu chamber, felt no concern that Nan Mingyu might lose this wager simply because Chen Xuan had taken the lead.
That was because the eighth-rank Gu worm in the final chamber, though lacking in combat power, was actually the hardest to deal with.
This rare Gu worm, known as the Irritating Gu, carried intense psychological suggestion in every word it spoke. By constantly asking questions, it would induce self-doubt and resentment in cultivators—hence the name "Irritating"—causing their spiritual hearts to destabilize and leading to failure in the trial.
Chapter 3268