Compass Carburettor finally obtained enlightenment as he observed the growing foetuses.
The brides all hailed from powerful noble families. Even if they hadn't trained, they still contained a decent amount of Qi in their Dantians. They weren't Martial Artists but had the potential of one.
After all, those from powerful families consumed precious resources since birth, naturally accumulating a large reserve of Qi in their Dantians. That was how they remained healthy.
Naturally, their children too were born with Dantians. But this was where the CC Seed came into effect. As it could be passed down through the generations by hereditary, the CC Seed came into conflict with the Dantian.
As Martial intended to swap out the Dantian that could at anytime evolve into becoming part of the Cultivation Genre, the CC Seed devoured the Dantian when the two came into contact. Thereby, the CC Seed of the individual was enhanced.