Underworld Fanfiction Crossover

Alyssa is an assassin who works for the Bloodthorn Organization. She finds herself caught between two secretive underworld organizations and is given a crucial mission to infiltrate the Devon family, a wealthy and powerful elite family. Unbeknownst to the public, the Devons are actually in charge of the Shadow organization, a dangerous Mafia group that operates underground. Alyssa's mission is to pose as the perfect daughter-in-law of the Devons to gain access to their secrets. However, things take an unexpected turn when she becomes involved with the youngest heir instead of the intended target, the leader of the organization.

*TWIN TORMENTORS BOOK 2* After suffering and being tortured both mentally and physically by her obsessed childhood friends who turned out to be the mafia lords, Leigh-Ari Montreal finds her dragged deeper into the underworld rivalry with none but the twins’ longtime foe, who is much more retarded and ruthless than the twins combined. Living a new fabricated life with a new identity provided by her captor, she is bound to do whatever he demands, and that the fate of everyone from her ‘other life’ depends all on her action.

When war orphan Alexei Volkov flees Russia to Belgium, survival means stealing scraps until a mob nearly burns him alive. Rescued by Lucien Devereux, the ruthless Capo of Brussels’ underworld, Alexei is thrust into a world of blood, secrets, and power. Trained as an assassin and spy, he becomes indispensable—until a mystical ring from his uncle in India makes every man who sees him fall hopelessly in love. Soon, the Capo, the Mayor, the Police Inspector, and even the Governor crave for him. Is it love or a curse? And in a city drowning in obsession, who will Alexei choose?

In the vibrant futuristic city (2243), Where magic, vampires, shapeshifters, and humans coexist... Follow Raven, who grew up in an orphanage. She is now a powerful Shaman and owner of the exclusive club "Illusions," as she finds herself drawn to Kieran, the playboy billionaire son of the debonair Vampire King Niklaus De'Lacroix But as their passion ignites, questions arise about whether Kieran is truly her mate, or if their love is doomed by fate when Shade Marcus, a malevolent demon, Who has an unquenchable sexual obsession with Raven Tragedy strikes when Lyra, Kieran's sister and a cunning vampire, falls victim to Shade Marcus's cruel vengeance, poisoned by a Satanic hex that slowly drains her life force. Brent, her Grizzly Shapeshifter mate, is consumed by grief and rage as he struggles to find an antidote to save Lyra with time running out. While they are busy working on a plan to destroy him, he kidnaps and drags Raven into the underworld, trapped in Shade's lair, Niklaus De'Lacroix, the Vampire King, is her only hope for rescue. As Niklaus navigates the treacherous landscape of the Underworld, he must confront his secrets of the mate bond to her, his overwhelming desire to protect and be with her even if it means risking his own life, Will he be able to break Shade's curse and free Raven from his grasp, will fate complete the mate bond and join them in a Forbidden Embrace or will she be forever lost to the darkness?

Scarlet blackwood's life is shattered when she is betrayed by the people she loved and trust the most in the course of her shattered life her word collides with the deadliest magnate Leonardo Rutherford. Pained by this betrayal she sets her sights high on revenge using her charm and beauty she manipulates her way through the mafia underworld Will scarlet's quest for revenge fulfill her desire and bring justice to the table or will her temptous heart take over the ride. Dive into the gripping tale of this deadly love game filled with betrayal, deception desire and many more.

One ritual gone wrong. One girl bound in chains of blood. Salomé’s life is stolen the night she’s dragged into the mafia underworld… and the wolves that rule it. Cassian, Rhett, and Matteo, Three men tied to her by hunger, oath, and obsession. They’re her captors and her shields, her executioners and her only chance at survival. But every oath demands a price. And every touch pushes her closer to the truth: she was never prey. She was prophecy. And when her power rises, every world, mafia, pack, and temple, will fall to its knees.

In the haunting shadows of Calabria, Dr. Talana Fabrizio transforms from a healer into a vengeful force. Betrayed by her family and ensnared by the ruthless Drake de Marco, she navigates a treacherous world of mafia intrigue. Talana battles the demons of the underworld while falling in love with the second most powerful and ruthless mafia, Don, Massimo Morelli. All the while coming to onto who she truly is after years of being kept in the dark and away from those who truly loved her. As desire and vengeance intertwine, will she find love or lose herself completely?

Park Sebastian, the Mafia boss of the southern and Northern region of Korea. Rumored to be the "ruler of the underworld". Only his looks could make anyone have a nose bleed. His aura, his eyes, his demeanor, everything smelt "DANGER" An English girl, Ariel Parker. The sweetest soul you could ever find. Innocent and easy going. She is described as a petal that even at the slightest touch, she would fall. But don't take her softness for weakness!!. In a world where many rules were laid, could love prevail or would love for the things of the world prevail?

Bethany also known as Beth is an eighteen years old runaway from an orphanage home who wants to expose the evil that happens in the orphanage . And revenge for her parents . Alexander known as Alex is the most feared Mafia leader in the underworld, his leadership is threatened by the rival , Salvador he wants to be the one people fear . Beth finds out that Alex can help her , she soon finds out something that made her hate Alex. Alex and Bethany are now bonded by a contract. Will Alex keep his own part of the contract ... will Bethany get the justice and revenge she seeks??.

Destiny, an 18-year-old girl, has not left her castle for years, ever since her mother was killed by demons sent by Lucifer. Determined to avenge her mother’s death, she sets out on a quest to kill Lucifer himself and rid the world of demons. Before she can face Lucifer, Destiny must attend the academy, where she will be chosen to enter the Underworld—a place where all evil resides. Alongside her companions Lex, June, Nixton, Kelvin, and Gold, Destiny embarks on a dangerous journey into a world of destruction, facing untold perils and discovering the adventure of a lifetime.