At the level of a Quasi-Saint strong, unless their opponent is a true Primordial Chaos Daluo, even if they are defeated, they are only suppressed and rarely completely killed.
On that day, Chen Hai and Qingmu joined forces, and with the power of the supreme weapon, the Golden Jiao Scissors, it clearly seemed they had sliced the Seductive Lady in half, but in the end, it was merely one of her Three Corpses Avatar that perished in front of Chen Hai and Qingmu.
Regarding matters related to Quasi-Saints and their Three Corpses Avatar, Chen Hai had specifically inquired Qingmu at that time.
Previously, when he slapped Yi Changqing to death in the vicinity of Black Water Immortal Mountain, driven by inertia, he didn't think in that direction at all.
It wasn't until returning to his Cultivation Hall and calming down that Chen Hai started contemplating this matter.