Nebiros

Thousands of years ago, a long-since forgotten civilisation worshipped their demon-god Nebiros. Their priests breached the void between his dimension and our own, unleashing the monster on the world. They sacrificed captives to him, and in return he led their armies in an attempt to conquer the world.

Eventually Nebiros' empire grew to threaten the other great powers of the day: Mu, Lemuria, and Atlantis. The greatest mages of these realms branded together to defeat Nebiros. They vanquished his armies and banished him to his own dark dimension; forever they hoped.

But six thousand years later, Nebiros posseses the body of the Swamp Thing with the aid of a deluded priest Jonathan Bliss. Abigail Arcane and Matthew Cable destroy the globe vessel. Nebiros is exorcised from the SwampThing and enters the body of the priest, withering under the priest's spirit Nebiros is vanquished back to his realm. He was accidentally freed by Sharon Scott and Wayne Tarrant, friends of Dan Cassidy, during the filming of Blue Devil. Cassidy defeated the monster, returning him to his realm, but at a terrible cost to himself.

Shortly thereafter, Nebiros became freed again, this time threatening Mexico. Once more he was defeated by Blue Devil with the help of Zatanna.

Now Nebiros broods in his dark realm, dreaming of returning to Earth to conquer the world and gain revenge on Blue Devil. The Demon Etrigan and the fallen demon Asmodel battle had caused ASmodel to merge with the Spectre. The fires of Hell going out were one of the side effects. The Demons then fled to Earth with the fires gone out. A small band of heroes led by Faust went to Hell to restart them. All the demons invaded Earth except Nebiros, who claimed to be armed with the trident formerly owned by the King of Lies. Faust, using bones he bought in Paris, brings Blue Devil back to the living. Blue Devil steals back the trident, kicking him high in the air. Firstorm than blasts Nebiros turining the water in his body to cement, seemingly killing hm.