Post Unification Background
During a war between legions of the undead and the Council of Twisted, a vast track of the main city was forcibly removed and banished to a neighboring reality. As this area was populated those who found themselves removed with it began to build outwards in this harsh environment which began to be known as Hell.
Unified by a Council created by Señior Diablo, the outcast citizens managed to push back the undead and push the boundaries of that settlement into a full city. Since taking control of Twisted's Council, Diablo has been bringing those innocent souls back to Twisted and has actively sought to help them acclimate back into their old lives. The current state of "Hell" is unknown at this time.
Pre-Unification Background
Warning: THIS INFORMATION IS CURRENTLY CLASSIFIED.
Rumors and Speculation
Many people have come to believe that Hell is more than just a name. It is a world similar to Twisted that actually connects and combines the various Hells of the multiverse into a singular realm populated by demons and the undead. Evidence of this exists in the form of the The Waiting Room where no specification exists between the afterlife and the realm where those banished from Twisted resided. While we're assured that this isn't the case and that this 'Hell' realm is just a colorful nickname; descriptions of demon cities, torture, and a massive underground labyrinth have been spoken of in hushed tones by those 'innocents' which Diablo has freed. Infact, looking up members of the Hell Council in the kiosk database reveal that-
Note: THIS POST HAS BEEN REDACTED.