Hazbin Hotel and Helluva Boss are set in a Dante inspired depiction of Hell, which draws from the Torah and Talmud, particularly the writings of King Solomon and Daniel.
In the beginning, there was Heaven, a domain created by the divine in isolation from the influences of evil. In Heaven, the seraphim were given the task of creating the realm of Earth, and all the heavenly bodies that surround it. Upon the Earth, the seraphim created two intelligent beings, the man Adam, and the woman Lilith.
Adam, convinced of his own superiority, demanded that Lilith be subordinate to him in all things. Lilith refused, and left Adam alone in the garden of eden. In response, the Seraphim created Eve, a second woman, formed to be the subservient figure that Adam wished, lacking her own free will.
A member of the Seraphim, Lucifer, who had been discontent with the despotic ways that his rank formed the universe, saw Lilith as a kindred spirit, and sought her out. Together they conspired to give Eve the gift of knowledge of