In the challenging contest for the Holy Grail, a master and his Servant, Caster, trigger a momentous shift in balance. A child who has just lost his parents being the Master of Caster, a son of Poseidon very expert in accidentally causing problems. I don't own Fate/Zero and Percy Jackson and The Olympus. Rights to Nasu and Rick Riordan

As Shirou Emiya is unexpectedly transported to the realm of Percy Jackson, armed with his twin swords and accompanied by Rin and Sakura, he battles formidable monsters and faces divine mysteries. Amidst the clash of worlds, the presence of his unknown godly mother sets Olympus abuzz. An enthralling tale of heroism, friendship, and destiny unfolds, weaving a gripping tapestry.

I knew that plan failed, trusting those incompetent rulers. That's why I will succeed for my master's plan, a world where Mystics remain and the Age of Gods flourish in the Modern Age. A sea filled with Mystics of all kinds, untouched by the Gods hands. Their children, cast off and forgotten, an ideal army. Fate/Grand Order: New Order-The Greco-American War-Bermuda

After the events of the Lostbelts, Ritsuka learns from Arcueid that Zelretch and Aoko are being pursued, and not only that they saw the skies turning red cracks opening. And when they learn that Mysterious cloaked People are responsible. They must traverse through Dimensions with their first stop being a world where the Gods never left the Mortal world.

The Olympians and demigods are all gathered when a certain book containing a special story falls into their hands. With a warning attached, everyone decides the best course of action is to learn more about this book, as well as the hero the story centers around.

He heard the voice of a child in need, a child that was related to him and yet not. Though he had failed his own children, he could NOT just sit back and let another child suffer. Even if that child was in another reality. For if the Throne of Heroes can record Heroes from other realities and timelines, then doesn't that mean that a Hero can travel to other realities that same way?

Emiya Shirou pensó que había muerto después de haber matado a la muñeca de Sakura. Chloe von Einzbern pensó que una vez que Darius destruyera su carta desaparecería para siempre. El Counter Guardian EMIYA pensó que volvería con Alaya ahora que se despidió de Rin. Entonces solo tienen una pequeña, pequeñita preguntita. ¡¿Por qué carajos ahora son hermanos en un mundo de dioses!

Más de uno sabe que no se debe retar a Percy Jackson. No importa cuán tentador sea el desafío. Lo mejor es quedarse callado frente a él y contenerse para evitar desastres. Bueno...esta vez no fue así, y por ello mismo algo muy raro pasará con el hijo de Poseidón. CAPÍTULOS CORTOS!

The great Goddess Artemis has a child in order to fulfill her domain as a goddess of childbirth. Unfortunately the child is a male and so she abandons him. 21 years later, the goddess gets one heck of a surprise.

Archer finally got his answer. He has regrets. Yet, this fate is set in stone. He will probably go on cursing it, but even then... He was not wrong. No matter the age, no matter the world, for every life he has taken and all those that he will extinguish, Emiya will not falter. He will shoulder his remorse into this age of gods, after all... This is the only path.

Sally Jackson, seduced and abandoned, needed a hero for her and her son. Shirou just wanted to do the right thing like any self-respecting hero of justice. With a different family by his side, Percy grows up hoping to live up to the heroes who raised him. Olympus was nothing compared to the Emiya clan. Shiro x Harem. Percy x Harem

Shirou knew his one goal in life was impossible. He knew he could not reach his love without help, without its help, but to have its help meant he would still never reach his love. So as he lay there dying he thought of his love, her green eyes, her blond hair, and her wonderful smile. luckily for him, someone else was watching him and thought that they looked quite nice together.

Shirou Emiya finds himself in another world after sacrificing himself to save Fujimaru, in a world of gods and monsters. On the verge of death, he saves a young girl, before succumbing to his wounds, thankfully, the young girl just may end up being Shirou's salvation, in more ways than one.

Nico decides to get away from camp and have one last trip to the underworld. However, this time something strange happens and he finds himself in a place familiar yet different and encounters a certain blonde haired girl who claims to be the ruler of the underworld

Atalanta Moonlit the reincarnated Emiya Shirou and also demigod is summoned into the fourth holy grail as archer. how will the war progress with this new and unexpected factor. Miyuverse Shirou reincarnated into the daughter of Artermis Character Based on Thearrowblackcabary but with differences and my own spin. will most likely be more content after the fourth holy grail war

The Einzberns were unable to find the catalyst to summon Arturia Pendragon, finding instead, they found a catalyst in the form of a broken and rusted sword hilt. Kiritsugu unknowingly summoned a son of the sea. .

Archer is given a second chance at a life free from the shackles of servitude to humanity's collective unconscious, Alaya. Will he take the rest for what it is or will he look a gift horse in the mouth?

Fate/Cerulean Coast (pjo x fgo) The Holy Grail War descends onto modern-day demigods. History descends onto the present. The age-old feud between the Greeks and Romans continues through the lens of the beloved hero, Perseus. Will the Roman legions or will the Greek heroes prevail? Who will ultimately collect the Holy Grail?

She's gone. And he's alone. Now they'll be after him, both the monsters and the camp. He should keep running. He should be running now. So why the Dad is he staying with these wizards? What's that? Magi not wizards? Magecraft not magic? What's the difference!

The Age of the Gods is about to end and the World of Humanity will begin; a Goddess and a group of mortals travel the world looking for an answer that will unite Gods and Humans again, without this meaning impeding the advancement of Humanity, having only one year to find the correct answer to this dilemma.

After decades of searching, Shirou failed to find Avalon. Despite everything he had done, it wasn't enough. As he died, he was wisked away to be given a second chance. Now with the blessing of an old blacksmith and divine blood coursing through his veins, Shirou starts his journey again. He will not fail a second time. Fate!Shirou Demigod!Shirou

Shirou is sent to a new realm thanks to Zelretch armed with a Servants class card deck how will Shirou react knowing that his dad alive and a god.

2010 Snowfield, Neveda- set the sights of a Holy Grail War. Various parties seek to gain control of the grail and send their representatives to take part. Young Demigod Ezra Sun seeks the grail in order bring age of Olmypus to an end while her servant Galahad seeks the grail to regrain his memories.

Inspired by FGO Lostbelt 7, What if the Spider was in PJO?

Post Heaven's Feel Route. Six months have passed since the end of the Fifth Holy Grail War. Shirou and Sakura planned to live out the rest of their days in peace, but suddenly being teleported into an new, unknown world by unknown means with a very mythological problem one day assures that that doesn't happen. Shirou blames it on Archer's E-rank luck.