Lucian is the King of Erebus, he is rarely seen however is a powerful foe.

His backstory: 

Lucien Nightshade, once the revered Archangel of Light, was a pivotal figure in the celestial hierarchy, known for his radiant presence and unmatched power. Unlike in traditional lore, Lucien's fall was triggered by a cosmic prophecy foretelling an era of profound change and chaos. As the prophecy became known, Lucien began to believe that the celestial order was flawed and that a new era required a new ruler.

Driven by this belief, Lucien sought to accelerate the prophecy's fulfillment to bring about what he saw as a necessary transformation of existence. He attempted to rally other celestial beings to his cause, arguing that the current divine order was stagnant and corrupt. His rebellion was not born of vanity or pride, but from a genuine conviction that the universe needed a new direction.

The divine council, alarmed by Lucien’s growing influence and his audacious plans, deemed his actions a grave threat to the cosmic balance. To stop him, they cast him out of Heaven, imprisoning him in a temporal void, a realm outside the normal flow of time where he could neither age nor die. His followers were scattered, and his grand designs were thwarted.

After eons in isolation, a celestial rift—a tear in the fabric of reality caused by the ongoing cosmic upheavals—freed Lucien from his prison. Emerging into a world vastly changed from the one he once knew, Lucien found himself in a position to enact his vision of a new order. Now, he seeks to reshape reality according to his vision, using his ancient knowledge and formidable powers to bring about the prophecy he once sought to fulfill.

Lucien’s fall and subsequent actions are driven by a profound sense of destiny and justice, twisted by his time in isolation and his perception of the universe's failings. His goals now involve manipulating events to usher in a new era where he can rule as the architect of this transformed reality.