Emiya Shirou was no stranger to helping people, but when he rescued that woman from her burning village, her request for him to save her daughter caught him by surprise. Mostly because that girl was a character from a manga he'd read.

He didn't know what it meant to become a Legend, but he did know that he couldn't stand by and watch as this world drives itself into ruins. From humble origins, a hero is born. (Slight AU)

Shinji Matou was born unable to use magecraft, he studied and trained endlessly, but he was incapable of being a true Magus. His only option was to win the wish-granting war, but that ended in his death. Rudeus Greyrat was born with memories from his past life and with Mana flowing through him, he’ll use this second life to accomplish everything he had failed to do.

Rome, the greatest empire humanity has ever known capable of conquering and annexing peoples with different cultures and beliefs under its banner. The Ides of March were the break. The dawn of Augustus' Empire rose over Rome, bringing the wind of change. However, something is hiding in the shadows, threatening the stability of the Princedom.

I wasn't anyone special before I died. When I was reborn, that all changed. Who knew that all I needed to do to achieve all of my dreams was get hit by a car? Armed with the memories of the world's greatest wizard and one of the most powerful weapons in existence, I'm going to make my mark on this world. While I'm at it, I might as well have a little fun along the way.(Reborn SI)

Reluctant OC - Insert With Fate Verse Excalibur in RWBY. Has a "Savior" System that forces him to act against his indifference to save others. The main Fixation is on Excalibur itself. The System is merely there to force MC to act against his wishes. (Excalibur and Avalon are the only Fate Crossover Content - The rest is RWBY)

An experiment gone wrong, or possibly right? A nascent Kaleidoscope opens his eyes. A Fate/DxD/Multicross story. Thanks to TheMadLad for the cover image.

The Kaleidoscope: the essence of Second Magic, containing within it countless parallel worlds. A place where all possible realities exist, where fantasy meets reality. Worlds of Holy Grails, of Masters and Servants...and Riders.

In a parallel universe, the Tau'ri faces a bloody war between the Systems Lords Anubis and Apophis. The situation is affected by the arrival of a strange character: 'Gilgamesh, the King of Heroes'. The Golden King is looking for Hakuno Kishinami (F) his 'Master'... and woe to the one who will cross his way, that they are false gods or whole aliens civilizations.

Petunia and Vernon Dursley had enough of the boy named Harry Potter. His out-of-control magic in the household made them abandoning him in an Orphanage. Alone and scared, Harry felt like nobody loves him that is until a certain master visited the Orphanage. How will this go for Harry? Will he find the love he was yearning for?

The Far East. Rakia. Altena. Bell Cranel, humble boy from the mountains, had visited these and many other countries in the world, inhabited by incarnations of legends. Those with great fates are drawn to each other, those with lesser fates led by them, to the center of the world. Will he be swallowed by the gravity of Orario or will he make his mark, to reach the Throne at the peak

Over a week has passed since the Fifth Holy Grail War. Its conclusion sparked a worldwide protest of Academy City, as well as movement from God's Right Seat within the town of Avignon, France. However, undead enemies hitherto undreamt of were about to reveal themselves; and it's up to the Imagine Breaker and his allies to stop the chaos about to erupt. (Sequel to Heaven's Fall)

Three months after his unwilling return to Earth, Natsuki Subaru spontaneously combusts. A number of deaths later, he joins the Chaldea Security Organization. And then dies some more. Save the world, Subaru. If you can manage that, then maybe, just maybe, you'll find a way back to that other world of yours.

People of power taken down. A false god shot. A fake paradise eradicated. One would think that for Ren Amamiya, leader of the Phantom Thieves, his adventures were over. However, a blood donation would turn his life upside down as he takes an offer from the Chaldea Security Organization - and once more fight for the fate of humanity.

Akira Kurusu was the trickster who stands agianst ruin using the power of the Persona in the Metaverse. What if, before he was raised to be a magus, and a member of a clan of Magi that controlled other Magi from the shadows, one seperate from the Clock Tower or any other organization of Magi? And what if he wanted out? This is his story.

The Fourth Holy Grail War of Fuyuki City: Seven Masters, Fourteen Servants- wait, what? Someone's been messing around with the rules, for once not you-know-who. But the stakes are still very real, and the Grail can only belong to one Master and two Servants at maximum... Fate/Zero belongs to Type-Moon, and all foreign characters their respective owners, I own nothing but the plot.

Taylor Hebert summons a Heroic Spirit. The Heroic Spirit in question filled out a CYOA and is actually from our world. (Cross-posted from SB. I own nothing.)

In a desperate attempt to survive, Amber unknowingly used her magic and summoned a Servant.

A new Throne of Heroes if build and of course it needs Heroic Spirits. So welcome all and follow me to see and recruit new legends good, evil and in between for this new throne.

Singularities. Points in Human History which have become corrupted with the presence of a Holy Grail with the end result being the incineration of Humanity. However, it is not the Grails alone which are divergent. The Incineration comes about as one world in particular comes to an end. The two become linked as figures from a different Throne reach across the barriers between worlds

No summary... basically the first chapter provides enough context to understand where I'm going with this. Basically this is an... Angra Mainyu/Shirou story, with a twist.

Escaped from a land of hate, a Roundtable Alliance shall be gathered to retake the Kingdom, the Hero shall rise above all. Fate/Grand Order: New Order- The Dark Age of Chivalry-Melromarc: "But at what cost would victory shall be paid?"

"May you find happiness in the next life." That was easier said than done, even more so for a horrible villain like him. Or so Yuuki Shirou thought before meeting a certain pink-haired alien and being introduced to a bizarre world filled with aliens, servants, and absurd situations. But maybe this time, he will achieve that beautiful dream he threw aside a long time ago.

The world needs heroes, but of what kind? The Modern, the classical, or just the casualties of a recent end-of-the-world scenario that included Greek Gods and Heroes? Whatever the case, they sure are here and breathing, wishing to take the world in a new direction completely...

Ritsuka and Gudako are unprepared for the threats they face, as they are forced to save humanity from the grasp of extinction. They face threats from both history and myth, alongside threats of Darkness and Light.