What would you do If you were suddenly transported to the Nasuverse just before the Fourth Holy Grail War as a young Shirou with no access to a Magic Crest, Magecraft, or OP Servant? [Self-Insert Shirou]

Un hombre hecho de espadas, un hombre forjado en el fuego y lágrimas ajenas. Emiya Shirou luchara en la Guerra por el Santo Grial como siempre ha estado destinado, pero el encuentro con un viejo amigo y una mujer desconocida, cambiara el camino que recorrerá ¿Podrá mantener sus ideales o los traicionará?

En un inesperado giro del destino, Shirou se encuentra en el Lostbelt Britanico, una realidad alterna que nunca imaginó visitar. Sin embargo, lo que aún le resulta más sorprendente es la oportunidad de reencontrarse con Arturia. Shirou se prepara para enfrentar los desafíos de esta nueva realidad y desentrañar los misterios que aguardan en este Lostbelt.

In an unexpected twist of fate, Shirou finds himself in the British Lostbelt, an alternate reality he never imagined visiting. However, what is even more surprising to him is the opportunity to meet Arturia again, although he understands that this will not be the same one he knows.

On the dawn of the Empire, with a senate that had run its course, something moves in the shadows, undermining Rome's stability. However, no one will stand by and watch. A handful of characters, with their peculiarities and differences, will raise their swords against them to protect everything they hold dear. *An original Fate story set in the Ancient Rome.

Ritsuka Fujimaru was just a normal person some months ago and now he's fighting to save humanity by traveling through history. Not only that but he also encounters two kids who want to know the why they can't remember their past, family and home, joining him and Chaldea in order to het answers and their memories back. An alternative version of FGO Observer on Timeless Temple.

La vida de dos hermanos es interrumpida cuando algo les ocurre a sus juegos del Grand Order. Zelretch se presenta ante ellos con una oportunidad única en la vida: Volverse masters de Chaldea. Ahora deberán recorrer las singularidades para rescatar a los servants que han sido corrompidos por una extraña razón y seguir la historia ¿podrán hacerlo?

Dedicated man reincarnated as the Norse Hero Sigurd. Decides to shift his and certain people's fates due to his actions that make him look like a madman with the assistance of his system.

Un nuevo Master ha llegado a Chaldea, sin embargo este es diferente al resto... es alguien quien ha vivido miles de cosas a lo largo del tiempo, y ahora demostrará de lo que es capaz, para así salvar a la humanidad. Una a la cual había abandonado hace mucho... pero ahora usará todo su poder y no estará solo para lograrlo.

In an alternate world where the Holy Grail War ritual allows seven Masters to become Demi Servants instead of summoning the Servants themselves, Emiya Shirou finds himself drawn into the conflict. However, a mysterious event in his past has left him with new carnal desires that exist alongside his dream of becoming a Hero of Justice. Shirou/Harem fic. BDSM elements inside.

La línea de tiempo ha divergido con el paso del tiempo, la humanidad ha perdido paulatinamente la esperanza, aquel Ritual se llevó a cabo antes de lo previsto, los Primigenios han comenzado su periplo hacia la Tierra para destruir a la humanidad, finalmente, la Estrella de la Cosecha está cada vez más cerca de retornar. Y así, un mundo ha sido roto después de múltiples desastres...

Leonis is back to his usual antics while the Murder-Death-Kill rages in the background… But is that all there is? And why do the Clock Tower, Holy Church, and other major powers look like they're preparing for the End of Days?

Counter Guardians, the eternal cleaners of humanity's mess. Once a person has joined their ranks, there is no escape. Or is there? Due to certain events, CG EMIYA was relinquished of his duties, now he lives peacefully in a small town along with his adopted daughter. This is a story of a once broken man's somewhat peaceful life... emphasis on somewhat. (Connected one-shots.)

As the hit new boardgame FGO Duel spreads throughout the populace, Ritsuka, Shirou, and Hakuno find themselves joining in with the craze. As Ritsuka comes across a figure that should never have existed, though, the dark truth behind FGO Duel's existence will draw all three into a game far more deadly than they expected. Heed the cry: "Duel, Go!"

Come One, Come All! Come see Fate Inspired Servants from characters from all across Time and Space! All not constrained by the premise of Earth! Heroes and Villains all across the stretches of time, now all is seen etched on the throne of heroes. Can you find a servant you most desire?

A story about a Master besides Ritsuka who's in Chaldea and interacts with the people of Chaldea. Just another Fate/Grand Order OC story. Rated M for the creative freedom and heavy topics of child experimentation.

He truly had problems understanding how fast things were going. Waking up one day in a strange place was the least of his problems when people started calling him a god, a golden king began giving him orders, and a green haired clay playing around with him, all he wanted was a break. (short chapters but long story. Please give it a try.)

In the end times, the World did not survive an eldritch onslaught. It and the Counter Force united to save the last Hero of Humanity, transporting him across time and space with the required reserves for his adventure. Another adventure to save the world, a parallel reality where the Age of the Gods still thrived. A world where Humanity is in consistent danger of the supernatural.

Ishtar wants to gift her Master for his hard work during the holiday season. One-shot. cute fluff (Gudao/Ishtar)

The flower wizard and the great genius of humanity they made one that replicates the second true magic, Queen Boudica offered to go in EMIYA's place.

A guy becomes Shirou, but wait- why is Illya younger? And why is Irisviel here? And why does he have the First Magic? And why is Illya so cute? ! (Self Insert Shirou in Kaleid x Prisma Trio)

The Heavens Feel ended with her sacrifice in the hopes it could stop the nascent god from ending the world. Yet, the ending is just the beginning as Sakura was tossed somewhere else through space and time. Reborn with her form changed a desire to find a way to return remained in her even after everything. A wish that will call her hopefully back to where it all started.

The Fourth Holy Grail War goes much differently, and yet ends in the same disaster. It's surviors crippled, scarred or dead with Shirou Emiya being forged in the fire of just the mere shadow of all the worlds evils. And yet something is not quite right. Flowers bloom in the mud, and as Shirou grows, he'll find that the sins of the past run much further back then he can imagine.

When Zelretch notices that the Master of Chaldea is in danger, he sends his best agents to help. Hang on Chaldea, Rin and Shirou are on their way! Cross-posted on Ao3.

Einzbern's success in a sinister, post-Grail Wars project leads to an alliance of convenience with the Antarctic Aryan Reich. This allows them to send Schneeweißchen von Fernhügel back to the Fourth Holy Grail War, with the goal of changing recent history for unknown ends.