Even the Abyss has to expend effort to corrupt such a Cultivator; it cannot happen all at once, and Chen Hua is not one to simply stand there dumbly.
Realizing he was used as bait to lure Chen Hua into the trap, Gu Chengan was furious, his broad longsword in hand as if containing countless volcanoes, its power so immense and terrifying that even Chen Hua was somewhat inferior.
Although the rules etched in his Divine Soul, flesh, and bloodline prevent Gu Chengan from making any move against the Abyss.
But Gu Chengan was also a brilliant outlier, after all, not all individuals are built the same, and in his extreme anger, he still kept his focus towards the Abyss, but instead started a faux combat, becoming an actor outright!
In some sense, this was the Abyss capturing Gu Chengan's spirit, but not his body.