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.

Shirou Emiya, born to a Clan following the name they had not officially been called in centuries, chasing after a dream created by their ancestor as relentlessly as any other Magi family reaches for the Root. This is the boy that Kiritsugu Emiya and Irisviel von Einzbern find in the rubble and mud of the Fuyuki Fire, and this is the boy that they adopted.

Things had changed in his life way too quickly. For the better? for worst? whatever the answer was, he didn't knew. Not right now. Right after marrying the Queen of the sixth Lostbelt, Ritsuka has been taken by the Tam Lin and the queen herself to the Enma-tei to celebrate their union. Yet even he knows... wherever they go, as long as they're all together... he'll be in trouble.

Fgo Light-hearted Mecha robot story. (disclaimer, may contain lore alteration, grammatical error, and misspelling.)

Kiara was bored out of her mind with no patients to attend until an interesting little boy with red hair came into her office on that particular day.

Illyasviel's death triggered an event that reincarnated her love ones after death to a different world. A world of an otome game called "Royal Road". Capture targets, heroines, villainesses, it's all here! Watch our main characters as they weave through the royal labyrinth that is called politics and- paperwork... Y'know what, maybe being royalty isn't as exciting as it sounds.(AU)

Another time, in another place, a Holy Grail War is waged between seven masters. Louise Saint-Hermine, fated to be one of these masters, will quickly learn what one must sacrifice in order to win such a harsh contest. But the truth of the Grail War may be even more grim than she could ever imagine. An AU story where all of the Servants are drawn from the stories of Alexandre Dumas.

UA. In 2004 the Grail implodes and it is not only the ambitions of the participants that shatter but all the rules that governed magic and the Heroic Spirits. Freed from their glittering prison, they walk among us, their world intertwined with ours and yet distinct. Mages have a new role: to preserve the fragile balance between these two worlds. [Prologue / 22 chapters]

UA. En 2004 le Graal implose et ce n'est pas seulement les ambitions des participants qui volent en éclats mais toutes les règles qui régissaient la magie et les Esprits Héroïques. Libérés de leur prison étincelante ils marchent parmi nous, leur monde imbriqué au nôtre et pourtant distinct. Les mages ont un nouveau rôle : préserver le fragile équilibre entre ces deux mondes.

Alaya is gone. The Counter Force is gone. Without them, the Throne of Heroes released all the Heroes on Earth against the planet's will. When Gaia sensed that the World is on the brink of collapse, she sent its First Hero to fix the mess. Now, Shirou Emiya has to save the day once again. What can a Retired God, a Treacherous Knight and a Boastful King do to save the planet? [AU]

80 years since the Imperial Capital Tokyo's destruction, a new Imperial Holy Grail War turns Kyoto into a new battleground to invite estranged participants, each with their own reasons and desires. Enter Yusei Hieda, a young man who strives to follow the path of the Magus gets dragged into a war with a witch named Caster by his side. Now, a new curtain opens...

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.

A tale of three young teens and the perilous journeys they will face. From dragons, to gods, to demons, three young teens will face stand against the odds. And how their lives will be changed forever. This was a story made by both Owenchaser and CosmicVlad, but is now co-written by Owenchaser and Yatsu in memory of the late CosmicVlad.

The events of the Fuyuki Holy Grail War generated unprecedented results. Mages now have to live in a world where the secrecy of their craft is no longer an option, while the common people of the world have now to live knowing that mages live among them. In the midst of this, a young man will see himself forced to be a master in a Holy Grail War of the largest scale imaginable...

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!"

Mordred meets a certain redhead that saved her from a tyrant trying to burn Camelot. OR, what happens when "Shirou Emiya" gets dropped in 6th century Britannia.

There was a lot Ritsuka had experienced over the last few years trying to save the world. But times to relax were few and far between. In between writing a manuscript with Jeanne Alter's scrapped Doujin ideas, helping her to win the ServFest contest, and BB certainly being a source for more problems, he was starting to worry once again if there would be any time to relax.

Six years have passed since the Fifth Holy Grail War. Ayame Emiya has settled into the role of the Black and White Magician. But ominous developments in Fuyuki call her back home, where she and Sella must face the ghosts of Tohsaka's tainted legacy. Sequel to Dancing with Fairies, Purified by Fire.

There is a tugging at her soul when the magic surrounding King Arthur's Summoning disappears. Then there is a burning on her right hand that surprises her and when she looks down she sees the commands seals that were meant for Kiritsugu. Ch. 8/25

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!

If Emiya summoned as a Berserker in the Fourth Holy Grail War by Kariya. Thing goes out of control pretty fast, well, not like he cared anyway.

A sequel to Fate Akasha. Frank awaken to find himself in a burning city without any memories. Cut off from the greater whole by unknown means, he soon find himself on a journey that will shake the foundations of the World. First-Person OC(Not SI). OCxHarem. X-Over powers.

A defeated Emiya shirou is made to see his place by female gilgamesh

The Fifth Holy Grail War, if almost everything derailed. The Butterfly Effect in full swing. (I'm just writing my own silly wish-fulfillment for silly things and doing mental gymnastics to explain them.) The unofficial OP for this route is Whisper by Evanescence

The characters of the Fate saga certainly have to put up with a lot, but Irisviel von Einzbern has decided to receive the complaints of Masters and Servants alike and hopefully address their issues. Predictably, she has her work cut out for her. Reader participation is encouraged! Latest chapter: EMIYA Part II, featuring Mysterious Heroine X.