Being taken by surprise during the final battle against Yhwach, Aizen finds himself being overwhelmed by all consuming darkness. Upon opening his eyes, he found himself in a forest, in a world he had never seen before, in a new world. Follow Aizen as he lives out a new life, in a new world, and eventually comes across the Supreme One himself, Ainz Ooal Gown.

On his deathbed, Shirou was paid a visit by Zelretch. Offering him a chance to escape eternal servitude to Alaya the fake hero takes it to avoid a future like EMIYA. Waking up, he finds himself in a strange new world. Now living in the virtual world of YGGDRASIL, Shirou meets and befriends an unexpected individual. "Huh, never thought I would be friends with an undead." UBW!Shirou

Tras dominar toda Equestria, Ainz se sentía que algo le faltaba, deseaba aventura, un susurro, una petición desesperada y un portal le dieron lo que pedía, ahora se encuentra en Halkeginia y una peli rosada ruidosa dice ser su nueva ama, ¿es esta realmente la aventura que deseaba?, habrá que averiguarlo, basado en la NL de Zero. Continuación de Ainz Ooal Gown en Equestria

Nazarick arrives at the Wizarding World. The leader of the Great Tomb Of Nazarick decides to take part in the school life of Hogwarts without knowing her presence would disrupt years of planning. From both sides. Dumbledore and Voldemort have no idea what they are dealing with. They are for a rude awakening.

El dios tzeetch viendo en el velo de realidades vio la magia de ydrassil , el como el dios de la magia y el cambio quizo su magia asi que trajo al nuevo mundo del mundo de overlord pero perdio un poco la conexion con el al traerlo por subestimar la magia de ydrassil

What if certain individuals of unknown power suddenly were plunged into the world of heroes and villains? What kind of impact would they leave on the world and its society. Would peace be ensured or would chaos ensue? No one knows. One thing is for certain; It would not be quiet.

A world blessed by the gods, and cursed at the same time. A land filled with magic and mystery. But when two worlds meet, conflict would be unavoidable. And from that conflict an angel would rise as the Overlord. OP Ainz.

Ainz in the FGO! Will it be a challenge for him? (Spoiler: No). No roflstomp, no hate, no bashing. Just the pure Ainz magnificence in play. It's actually a FGO-fic, but since there are plenty of FGO-fics in the Fate-general category - it was made like this.

It's the closure of the Yggdrasil and Maple can't help but feel sad, her friends, they said goodbye to her after having a farewell party earlier, but only Maple in the guild house stays until the end reflecting on everything she lived, about her great adventures and above all, what she will never be able to forget is that supreme rival Momon and his great guild Ainz Ooal

The world Star King Dragon Veldanava created was supposed to get a small unassuming slime with great potential. However, fate seems to be whimsical sometimes and gave the unprepared world a vast dungeon full of beings, both wondrous and terrible. Nazarick, knowingly or not, is bound to reshape the very foundations of the world.

after a certain Overlord found himself in an unfamiliar world after the shutdown of Yggdrasil, he decided that not dying would be good for the future, so with newfound mastery over the primeval force that is almost extinct in this new world, the Eclipse of all life tries his best to survive and thrive in the world of Remnant. However, many are not content to just leave him be.

Louise Françoise le Blanc de la Vallière Siempre había deseado ser una noble a pleno derecho. En su dolencia, le había pedido al universo el poder y conocimiento para poder tener las características de uno,y en su suerte, el vació la había escucho..fue una lastima que no especificara como quería que eso llegara a ella...Solo y con su arma del gremio, Momonga ha llegado a Halkeginia

Over 50 years have gone by for Ainz Ooal Gown. He has destroyed kingdoms, killed millions, and is in the process of conquering the entire continent. Still alone, he moves forward. Until a chance to reunite with his comrades appears, that made him lose everything he had left. What will Ainz do to return home? Overlord x Rising of the Shield Hero. No OCs. No Nazarick.

Momonga and Nazarick were transported in the DxD instead of the New World - and hilarity, lewdness - and also gore, psychological tortures and moments of unparalleled geniusness that ensued. That's just it.

Having been transported to yet another world, Ainz Ooal Gown must keep his cards close to his chest as he explores the furthest floors of the Dungeon. How will Oriario and better yet, the Gods, react to this new chess piece?

Two centuries before, one of the Thirteen Heroes is betrayed by the Platinum Dragon Lord and sealed away in a Rubik's Cube. Now, released by the tantrum of the half-Elf trump card of the Black Scripture and escaping with her in tow, Harry Potter waits patiently for allies against his nemesis. And he got them, in the form of his old friend Momonga, and the Tomb of Nazarick...

In another timeline, Ainz Ooal Gown refused to wallow in misery and sought to experience the end of Yggdrasil in the grandest way possible. Now, however, instead of dealing with a Tomb filled to the brim with loyal subordinates, he now has to deal with an obnoxious Dragon and a greedy Fairy. And both seem to plan to drown him in debt with their insatiable appetites...

After a long night playing his favorite video game series, The Legend of Zelda, a player awakens in a strange new world as the protagonist of said series. Watch as Link ventures into the New World and discovers new people and new adventures.

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.

Warning: May contain some Language or adult themes. What happens when Izuku makes a deal with a demon to gain the power to save others. You get a mash up of nightmares and adventure. With twists give to the story by the audience who want to help, and some inspiration from one of my personal favorite series Overlord. Stay tuned for this bizarre tail.

Gamer!Jeanne Alter, First world- Overlord. A bit of a sandbox fic and my first in the Gamer style so don't expect perfection. That said though, do enjoy.

A battle weary Diablo finds himself experiencing Deja vu when he suddenly wakes up in a mysterious grassy plains. Has he been sent to yet ANOTHER world? How will this world's inhabitants react to the Demon Lord's presence? Could his unexpected appearance change the fate of this New World, or will he be its demise? Luckily for Diablo, he might not be the only one in his predicament.

A new deity has fallen into the mysterious world of Teyvat. Will this deity bring salvation or damnation

Running Nazarick has never been an easy task for anybody, much less Ainz. But if he thought ruling over his NPCs was hard, now he has to deal with actual legends given form, some of them who even tried to destroy humanity once. Add to that, the New Worlds' difficulty skyrocketed for some reason, so our lovable Overlord has his plate more than full at the moment.

This is your typical story where mc is reincarnated in the overload world and is transported to the new world (like in canon).but due to dimensional outbreak the world is restarted once again (like the DXD world). I know this is confusing but be patient and the story will be in a slow pace. There will be a harem. well MC is transported to DXD world so harem is a must.