In an alternate history of the early 1920's known as the Scarverse, the White Army has won the Russian Civil War and the Mongol Empire has been restored. Forces from beyond the thin veil between worlds shape the fate of mankind. And now that the Apocalypse approaches, a former President of the United States and the Princess of Hell join forces against the High Tyranny of Heaven...

She has a dream that few wish for her to tell. Majority of the story is composed of Garo and the Hellaverse.

Ash has always wondered about the world and what lies beyond the Pizzaplex. She's grown up there her entire life, being raised by Glamrock Freddy and the gang, but once she turns 21, she finally got to explore beyond the walls of the place she called home to go across the country and experience things she's never done before. Although, it seems that she may have discovered more.

Hotel Hazbin Supernatural

The King of the Monster is sent to the Hazbin Hotel Universe and boy is he cranky about it! In this latest adventure, he'll need to deal with a ton of surprises and annoyances. Fun times! But he won't be alone, joining him in this insanity is the crew of the Hazbin Hotel, helping and bugging him throughout his time there. See him make friends, allies, foes, and possibly even love.

The Watcher: Time. Space. Reality. It's more than a linear path. It's a prism of endless possibility, where a single choice can branch out into infinite realities, creating Alternate Worlds from the ones you know. I am the Watcher. I am your guide Through these vast new realities. Follow me and ponder the question... "What if?"

While force on a trip to Pentagram City by her dad, Loona's day completely changes when she meets and befriends the infamous Cherri Bomb. But as the two continue to meet, it isn't long before Loona begins to develop feelings for the wild sinner. Can she keep the flames under control despite her fears and insecurities? Or will they consume her 'til there's nothing but ashes?

(I still suck at summaries) In an unexpected circumstance, Ash is suddenly given a strange phone and finds himself in Hell. However, it wasn't what he expected it to be. Join our hero as he attempts to help the princess achieve her dream of saving the sinners of Hell from suffering. (Collab with TaiKetch'em)

Alastor also known as The radio demon, one of hell’s overlords known to be sadistic and ruthless. The only thing he cares about is his entertainment and pleasure… but is that really all there is?

Moxxie didn't like the person he was or where he came from. Despite being an Imp, despite it being hell, despite all the circumstances and bad choices, he really wanted some... form of out. But after an Extermination night gone chaotic, another fateful day, everything starts coming to a head. All while he's working two jobs and trying to make a living in the land of the damned.

The Demiurge has revealed himself, and declared a vendetta against God. Hell is in turmoil as Lucifer - now with a mere imp as his Proxy - is surely planning a new war against Heaven, to reclaim the throne he calls his own. And those who are stuck on the battlefield have to find a way to survive. This is a story of how good men die. Book 2 of The Silent God Duology.

After an encounter with a bunch of imps and a hellhound that ended up being sent to underworld, a young monster hunter not only has to face the fact that his family's reputation is known in Hell, but has to rely on the help of his newfound friends to stand against those who are seeking for his demise and find a lost family member who could be found in the seven circles of Hell.

Morbius D. Ashford, the psychological therapist of humans, monsters and Hellish Demons, come to support the monster kinds and demons while facing the major threats of evils. Throughout his life, he soon discovered what his origins are and he is much more than a devil or an angel.

What do you get when you take a seemingly ordinary kid and throw him into the bad place? Lincoln Loud finds himself working at a hotel in the depths of Hell itself helping sinners try to find redemption as well as a way home. But perhaps there's more to his situation than meets the eye. Also on AO3.

2011, Brigadier Alistair Gordon Lethbridge-Stewart has passed away. As he passes through the Pearly Gates, he meets a familiar face.

What if the Resurrector didn't send Doomguy in the first age, but instead accidentally sent him to the Hell of Hazbin Hotel?

The Foundation is used to facing world-ending threats, but when a threat not only comes after Earth but Heaven and Hell, a certain Hotel is going to get involved.

Godzilla found himself in Hell...again. But this one is far different. After Godzilla's home had been desecrated and destroyed. He must find a new home. But, how will he fair in this Hell? Will he destroy everything like last time? Or will he welcome this Hell with open arms? Suppose only time could tell with this one. But even then, he is being Hunted. By a hungry Entity of Chaos.

Just calm down and act normal. You can do it, Shirou! Who am I kidding? This idiot Angra has messed everything up again. But why... out of all places, did I have to end up in hell, let alone become a demon?

(Book 4) When Lucifer and Lilith find an unknown rash on Charlie, they rush her to St. An's Hospital for a check-up. Their new doctor, Turon Zagmoth owes his old friend a favor and the pair think they can make bank if they can get a photo of Charlie out to the public. Unfortunately, he's forgotten the Oath he took.

Vivir toda una vida haciendo lo correcto, dando tu alma en cada pelea, salvar, proteger y ayudar, pensó que todos esos sacrificios seria lo que le llevaría al descanso eterno, reuniste con todos tus seres amados y disfrutar de la eternidad en el paraíso. Lastima que no seria así. Naruto cross Hazbin hotel/Helluva boss. Historia original de Mirio

just as the title says

Of all the Garo bloodlines in all the universes, only one dared to venture into Hell in search of Horror. But he eventually discovered a hotel whose mission was to help sinners repent. A mission to which he will contribute following an encounter with the Princess of Hell. Follow his story, that of the Golden Knight who will bring hope where all those who have sinned in life end up.

What if Stolas divorced Stella way before he decided to have an affair? What if Octavia had Blitz as a second parent? What if Stolas and Blitz adopted Loona before she was a teen? What if Alastor caught feelings for Angel Dust? All this and more.

Ever since Starscream got disintegrated by Galvatron, he’s been hanging out with a new crowd in human Hell. When he first arrived, Starscream set out on a quest to seize power for himself and rebuild his Seekers in Hell, becoming an Overlord. However, once he achieved domination of the skies, he went to pursue other goals in Charlie Morningstar’s Hazbin Hotel.