After the Great Celestial War, Lucifer and his brothers were banished and sent to Devil Dom. Their sister Lilith died due to her injuries. After her death, Lucifer's anger and hatred consumed him, and a new form of life was created: The Avatar of Wrath.

Despite being Lucifer's creation, Satan has no concrete memories of Lilith, he has inherited Lucifer's love for her. But after they discovered that you were her descendant, Satan didn't constantly compare you to her, unlike his brothers.