This is an Isekai story into the Nasuverse as an Elemental rising to be the Apex entity of Earth. the chapters are short, but the updates are frequent and there are long chapters. Please give it a try.

In December 1999, a war is about to begin. Not a normal war, but a war between masters and servants. Saber. Archer. Lancer. Berserker. Rider. Caster. Assassin. This is the second Tokyo Holy Grail War. The main character is Ayaka Sajyou, a young magus fighting her way through the grail war with her servant, Saber. This is going to be based off of the Fate/Prototype short.

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 is a story made by both Owenchaser and CosmicVlad.

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]

What if Avalon had a bit more of an effect on Shirou as it saved his life in the Fuyuki Fire? What if Kiritsugu never fell into despair? The small ripples of change lead Zelretch to sit back with a bowl of popcorn and soda as he watches Shirou try to navigate his way to becoming a Hero of Justice without falling into the same trap as his father or a certain CG EMIYA.

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?

Wanting to escape his family's efforts to restore the Makiris in power, Shinji Fujimaru ran away from the Matou household. Taking on a false name, he has been wandering Asia till he no longer feels safe. He now finds himself heading to Trifas.

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 forgot about their origins, homeland, family and wish to get those memories back while also helping Chaldea in saving humanity. An alternative version of FGO Observer on Timeless Temple.

Or 'How I ended up coaching a poor chibi through her tremendously Ecchi life' (Self-Insert Teacher Story)

Icarus was fated to die due to overconfidence. Unfortunately I woke up as him in a world of God's, Magic, Heroes, Mistery and Death, what's a human going to do? But Icarus is more than one meets the eye.

Dos personas diferentes, dos vidas similares se cruzan, una convergencia única para un nuevo futuro revelar.

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. Nanaya/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.

As the threat of the King of Mages looms over them, the masters of Chaldea struggle to keep their team of heroes together for the fight to save humanity. Their hope comes from Chaldea's resident Lancer, who offers them a unique solution... To seek out his mysterious mentor. (A Grand Order fic)(Rated for language and violence, subject to change)

The air was laden with smoke and ash, the sparkling sound and heat of the flames, the smell of burning flesh. The first thing he saw was that hell, it is the first thing remembers, because all his past life was burned in that accident. Or so he believed... Bright and forgotten flashes began to resurface from those memories... One word echoed loudly: Muramasa.

(One-Shot) Two years after the events of the Siesta incident. The member of the Chaldea Foundation named Ritsuka Fujimaru is joined by his peers in order to pursuit their only enemy: Subject G. Upon their encounter, a mysterious looming threat comes into play whose intentions are unknown.

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.

Post UBW!Good: Mistakes were made and Tohsaka Rin has to remedy in ways she never thought she would. NTR, Cheating. Explicit Smut

After Kiritsugu's death, the Mystic Eyes of Game Perception awoke within Shirou. With it he'll take the world, and several older ladies, by storm

She held a golden cup in her hand, filled with abominable things and the filth of her adulteries.  The name written on her forehead was a mystery: Babylon the great The mother of prostitutes and of the abominations of the earth.

Love and hate. Two emotions that are so different, yet there is a thin line between them. Mordred's hate had driven her to slay the king the had loved after a fatal miscommunication. But what if the love Mordred held for her sire had been stronger than her hate? See how the Knight of Treachery, despite the misfortune of her birth, moved past her hate to change the destined clash.

In the year 2025 Chaldea Security Organization has completed the Second Grand Order postponing Humanities destruction yet again. With the second singularity completed, they still have more questions than answers. While new faces join Chaldea to bolster their cause, there are those among the organization who are plotting its downfall. Will the group uncover who is behind everything?

It truly has been an eternity for these two. A trial for a lone Scabbard searching for his Saber. In the end their dream will end. So what's wrong about giving these love sick children a reward? This is a new life to spend together before returning to the fields of Avalon, they'll make the most of it.

Héroes de cualquier tiempo y lugar, todos reunidos en un solo lugar ... El Trono de los Héroes!

A crossover between lord of mysteries and fate with Shinji matou as the MC

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.