For humanity, since its creation it has lived with higher existences, which, for eons, from the darkness of chaos, forged the world and everything that inhabits it. So a balance has always been present in the different pantheons, but primordial forces awaken and threaten to destroy it. It will be up to a hero or a sword to keep it at any cost.

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.

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.

Hera's rage disfigured Hephaestus, but his fall from Olympus healed him while creating new wounds. A fragment of his divinity now dwells in a mortal, destined for reunion. Watch as Shirou Emiya lives his new life as the god of the forge.

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.

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!

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

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?

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.

Os deuses, titãs e primordiais sempre se acharam os seres mais poderosos e que nada poderia toca neles. não mais, porque gudako chegou para bagunça com todos eles e transformar o mundo de Percy Jackson em puro caos.

On his way home from the sea of monsters Percy is taken away to another world.

An ending often leads to a new beginning, and even the most tragic end can give way to a happy beginning. Shirou Emiya has been reborn and must now live in a world where gods and monsters still exist. This is the story of the impact one person had on the world around them, while on her quest to not only find a new purpose in life, but to also make peace with who she is. [GenBend]

One-shot idea: class cards fell through the cracks of the Riordanverse. How will this affect the trajectory of our heroes' stories?

Lord El-Melloi wanted another artifact and so instead of summoning Iskander Waver summoned Percy.

Leo Valdez was dead. His plan to defeat Gaia and free Calypso had failed. It was kind of hard to complete the second part when you were dead. However, instead of being sent to the Underworld, he was reborn as a Servant. Forced into a new world, Leo must now defeat heroes from history and myth in order to complete the Second Great Prophecy and return home.

In the beginning, all tales seem to start with nothing. Yet Nothing is never spoken of as an entity. So what would happen when the entity of Nothingness is put into the beginning of history?