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

Habiendo vencido a Aizen, Ichigo Kurosaki disfrutó 17 meses de paz sin sus poderes de Shinigami, pero cierto día, él y sus amigos se vieron arrastrados a una nueva guerra en otro mundo junto a un cierto caballero de carácter bravucona y marimacho como compañero de armas y no tendrá más remedio que participar en ella si quieren regresar a su mundo. ¿Podrán sobrevivir a esto?

Si uno quiere la paz, tendrá que conseguirlo con guerra, conflicto que cuesta la vida de muchas personas, Shirou Emiya sabía que no era capaz de salvar a todos, era un sufrimiento que no podía cargar con cada hombre que Moria por las sectas y discípulos del mara, quiere hacer la diferencia. Pero no esta solo...porque ella lo acompaña y no permitira que cargue con esa culpa.

Ryuga, the Dragon Emperor that rules over the Earth, the Legendary Blader of the Summer Constellation, and a King of a bygone era. He finds himself in a new world filled with various dangers lurking, with his only source of protection being his wits and L-Drago. How will the residents of this world handle the rebirth of the Dragon Emperor (Synopsis May Change)

Fate/Extra Persona 5 Crossover. Hakuno Kishinami victor of the Holy Grail rebelled against her deletion, and with help from a dark blue room she managed to escape her deletion and become a normal human. Ha yeah right. With Phantom Thieves running around we all know she would find a way into that mess.

Shirou in pokemon world (summary still in work)

In Archer's last moment during the Holy Grail War, he made a promise to Rin, to try his best. Not knowing if he was even capable of keeping up such a promise, while in the service of the Counter Force. Now sent to a new world to eliminate its rising threat, how will our favourite cynical hero deal with the people of this strange yet dark world?

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. Current Arc: Four Day Deluge - Okeanos

An error, an anomaly, a failure. But for many, simply a miracle. The Fourth War for the Holy Grail begins, where an unprecedented event will change the tides of the War as well as the fate of the Masters and Servants involved. Such was the magnitude of a simple abnormality, that the history that you are about to know would never be lost, because despite the annals of time.

Gold Morning was supposed to be the end. The capstone of a short, frenetic career. Taylor Hebert's fight was supposed to be over. But the end of one story is often the beginning of another, and when she's offered the chance to take part in a mission whose scale and scope feel so very familiar, there's only one answer she could give.

Black Rock Shooter became incarnated into a girl named Estelle Draiocht to become a fairy princess and twins with a girl named Skylar. Estelle and her magical girl team Arcana will be helping Zelretch in being taught magecraft and using Wicca to save magecraft.

A Maiden who carries the secrets of forgotten and lost eras, an ancient and mysterious ruler of an empire who intends to claim the world of magic for himself. Will the sacred Maiden and fairies avoid the catastrophe for Earthland?

"The Age of Heroes has returned. The world needs the Once and Future King." Artoria Pendragon Isekai into MCU

A girl who sees too much yearns for a companion—a soul who's ached too long burns one last time. When worlds collide and timelines entangle, a new path is carved, and a different history is written in the stones.

In a Medieval Fantasy world, what is the classic response for a Theocracy when threatened by a Demon King? Ask the gods to send them a Hero? This is what happens to Watanabe Haruko, 16-year-old Japanese reincarnated as her MMORPG character, the half-elf Miriel. Except she has to fight Ainz Ooal Gown... for the sake of the xenophobe's Slane Theocracy.

OWX-01 Slipstream - an experimental, teleporting fighter jet commissioned by Overwatch. On the day of its inaugural flight, Lena Oxton, pilot of the Slipstream, was caught in an accident and disappeared.

The kindness of a man who wished only to be normal. The determination of a man who wants only to better his race. The arrogance of one who dictates life. A boy who desires to live his ideal life. Stories of suffering and parting, stories of love and hope. They shall all converge on their pilgrimage that is life.

Lelouch expected many things after his death. What he didn't expect was to find himself in the war between seven wizards and historical figures. Still, the prize seems nice enough so he might as well take it. Not to mention working with a fellow demon might be a unique experience.

The Fuyuki Grail War, a legendary battle of Servants and magi that are fighting to have their wishes and dreams granted. This world should have touched a Heaven's Feel but thanks to the new 7 masters, this war was going to go down into something truly Nightmarish. And it all started when an Einzbern met a Hero of the Stars. A Multicrossover with other series

When an unlikely event arises in London, Shirou must now deal with the consequences of familial ties. May turn to M later.

It should've ended there and then— the new world should have been created and everything restored. But fate still had more twists in store and now she, Olga Marie Animusphere with memories from her world and this one, must navigate the mysteries that lie in store for her.

Once upon a time, in a world called Remnant, there was a Holy Grail War

Cuando Jeanne Alter y Emiya se detuvieron en una situación fuera de su control, uno agradeció mientras que el otro se enojó. Al abrir los ojos y encontrarse a sí mismos una vez más, no pensaron lo raro que podía ser el mundo después del final. O al menos creyeron que eso era el final... Emiya no lograba entender a esos héroes y Jeanne solo sabía meterse en problemas. (Emiya&Jalter)

Another Fate of the Clans route, another Third Tokyo Holy Grail War. This is the story of a man with nothing left to lose and another who loses everything. Sometimes the past haunts you even after death. And in a Holy Grail War it can find a way to affect others. Especially if the past chooses to get at the Servant through the Master. Has a TV Tropes wiki page. Divided days.

Emiya Shirou may have lost the Fifth Holy Grail War, but he defended his flawed ideals. Now with the threat of Angra Mainyu contained he has a new challenge to overcome... His past, parents, and a nebulous future. Is the hero of steel ready? Only time will tell. Shirou x Harem (Its DXD come on XD). Citrus of course. More serious take on DXD.