Shi Feiyang was not sincerely seeking to save Master Red Cloud this time. Neither she nor the Taiyin Hunyuan Ancestor had any relation to him; in fact, the latter even held a grudge against him.
He wanted to obtain the "Chi You Three Disks Scripture" without taking advantage of others' misfortune or kicking them while they were down. When they were facing their tribulations, he didn't want to forcefully snatch it; instead, he wanted to give Red Cloud a chance to live.
As for these villains, he didn't take them too seriously. He first snatched a Red Sand Gourd from one of them. Furious, that person pinched a spell and released three flying needles at him, followed by others casting flying swords and needles to kill him.
Shi Feiyang clenched his hands and with a "crack", he broke the gourd in his hand, releasing a burst of fine red dust that surged and splattered out.