A certain technician is invited as a member of Chaldea's staff until a chance discovery changes everything and lands him into an ordeal with the fate of Humanity itself at risk.

Kashira de Uruk hija de dos grandes leyendas Gilgamesh y Enkidu se ve desconcertada cuando se ve envuelta en el incendio de Fuyuki, su padre le dijo que tenia que vivir para ver el final de su lucha así que no dejaría a nadie atrás, incluso ese niño que habia sucumbido a la perdida. En el cielo estrellas que buscan un deseo.

You've read the title, this is Caster route. What would have happened if that night the one to save Caster had not been Kuzuki, but Shirou Emiya? Just how would Shirou change at the discovery of the Holy Grail War? How would Shirou change Caster? And how much would someone like Caster change Shirou? (Good End- Finished. True End- Work in progress)

What happens when instead of Kiritsugu, it is Zouken who finds Shirou? What happens when rather than Avalon which is inserted into Shirou, it is the leftover shards of the lesser grail which searched for someone to wish on it? What happens still when rather than the Magus Killer unwilling to teach our young Hero(?), it is a pseudo Vampire more than willing to teach. Find out.

After a brush with death, young Shirou Emiya ends up in the realm of the fae. With his body changed by magic, and the way home uncertain, he will struggle to find a path back. But after centuries spent in Faery, cut off from the rest of humanity, can what emerges still be called a human? Fairy!Shirou AU.

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.

In a world where the lone survivor of the Fuyuki fire isn't the hero, and far away from Chaldea's interference; A great threat is attempting to wipe humanity from existence. Tohno Shiki has to step in, both for the greater good, and to save someone dear from eternal imprisonment. This is the story of the boy they called DEATH.

Summoned into a parallel world on the brink of destruction with naught but fragmented memories and an Eroge Gamer System to his name, will our protagonist be able to navigate this new world filled with magic, life threatening dangers and gorgeous Heroic Spirits? Will he form the ultimate harem or be crushed under the weight of the world? Read on to find out!

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 fight between Oryou and Ryouma leaves the two of them separated in a rare moment, giving Yu Mei-ren the perfect opportunity to befriend the dragon, in her own way. Unfortunately, thanks to her complete lack of filter, this causes an altercation between the two women, with Yu not quite realizing continuously insulting someone's husband isn't the best way to make friends.

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.

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Things go awry when a birthday wish made on a whim by a self-conscious Arturia miraculously comes true with some pretty big results... (Rated M to be on the safe side)

Join Alexander Stein, a modern man reincarnated into a modern magus as he makes friends and enemies in his bid to save humanity from the activation OR subsequent rampage of Type-Mercury.

Shirou at a young age meets a young girl with blonde hair and green eyes. How will this affect the timeline? On top of this, he is also descended from an old line of magi, but the root isn't their goal. AU fic. Pairings will develop as they grow older.

Un cazador, la herramienta de caza, una bestia y una presa, se presentan en un mismo lugar. Cada quien siguió lo que mejor podrían hacer. Seguir sus instintos. EmiyaxKoyanskaya

Archer closes his eyes to the rising sun.

Chaldea is a mess, full of minions that the Counterforce wouldn't allow to be summoned. But somehow they managed to accomplish the impossible! Of course they are Japanese

Artoria was tired. Tired of the treatment she faced at the hands of the fairies of Tintagel, and as she lay in the her cell, she decides to use an odd spell taught to her by Merlin, that would get her out of her predicament. Sir Kay, having left the Lion king, was wandering through the deserts of Israel when he suddenly found himself in a dark cell, staring at a familiar person.

Shirou can't sleep as it eludes him, a single thought in his mind causing him to stay awake. Of the Avenger who called herself a fake, one that irk him. He made a decision to make her see that she's more than a fake.

Esta, es la historia sobre un tipo que escribió una novela sobre el mismo siendo un personaje principal ridículamente poderoso (self insert) por aburrimiento y lo grabó en la historia humana, sólo para ser invocado a la Cuarta Guerra del Santo Grial con seres más allá de su comprensión. El karma es una perra. La historia fue adoptada de X-kalibuur escritor ingles en fanfiction.

With the arrival of servants to Chaldea, the mission to fix the singularities could finally start, but the situation is more complicated than they imagined.

Imagine if you will if the most fundamental event of canon fate the great fire, never happens and some other things are changed but whatever, besides the point. You would assume it's all happy but, the circle of life always continues without exception.

The battle was finally over. Proper Human History had been restored, and Chaldea's mission accomplished. After going through so much, both could finally settle down. Away from any worries, only a peaceful life awaited them.

In one world Cu Culain is summoned by Kotomine Keiri as a lancer in the fifth Holy grail war. But in another someone beat him to the punch and summoned a different lancer servant first. This leads to multiple changes.