It was rumored that when this ability of the Luoshen Clan reached the peak, it was able to summon demon gods to the world. The myriad of demons would act as their protectors and each of those demons would be terrifyingly strong. However, the degree of talent one had in this ability was different for everyone. To cultivate this, one needed a supremely powerful comprehension.
As to what rearing divinity means, it meant trying to rear and nurture a demon god. The strengths and weaknesses of the demons summoned would depend on the summoner's cultivation talent.
Luoshen Lei had just entered the world overlord realm. Although she has this bloodline ability that was very powerful, her world heart was still weaker in comparison. Her true body was being bound, chained to her original location by the moonlight. If it wasn't for her innate bloodline ability that gave her an inherent advantage, she would have already lost.