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.

100 Years after the first advent, Ainz rules the world from his capital seat of Nazarick. However, instead of a new player being added to the fray, the sky's shift and change, as the planet had been torn through warpspace and time into the grim dark of the 40k galaxy.

What if Obito and Kakashi met on the night of the Nine Tails attack, how would things change? And how will Remnant handle being the battleground where these two child soldiers settle their grudges? M for violence, language, and suggestive themes.

A massive Warp Portal appears above Earth and with it an Arbitrator who enters a Universe of Gods, Heroes, and Villains. The Imperium may have not existed yet in this time, but through him Its laws will be obeyed. Through Blood and Iron, he shall enact the Emperor's Justice whether the League or anyone else allows him or not. Judgement has come to those who come to harm Earth.

Jaune Arc and Ruby Rose, a humble guardsman and the daughter of nobility. Both must find their way in the Remnant subsector of the Imperium of Man. Between Xenos, Grimm, and their own kind, the future looks long and dark. Will they find the light at the end of the tunnel?

A cruel and unforgiving world, an enemy of unclear origin hellbent on finishing a war of extermination, its victims and their desperate attempts at resisting proving just as futile as the hopes of the men who led them. Many died and would continue to die, none of them doubted that reality. But what if...

When an Elven god thinks that she can reset the world in the aftermath of the End Times in her own perfect image then she does not know how far a beaten enemy will go for revenge. Now stuck in a chalice holding the souls of all those that died in the Millennia's of conflict and in a world where magic is disappearing, woe be to he who finds this cup. And Let Fate Change. Harem.

Killua gets transported into the world of Shield Hero and proceeds to ruin its entire plot with the help of Hajime (Arifureta), Kazuma (Kono Suba) and Goblin Slayer. (Later chapters become more serious, which includes some violence and tragedy.)

In the far future, among the endless chaos of the 42nd millennium, war has raged since the days of yore. In these grim and dour times, a battered collection of survivors flee from an ill-fated Imperial campaign, only to find themselves hauled from their reality to to crash upon the realm of Gensokyo. This stark realm will test oaths and faith as what it bears is alien. Peace.

It is the 42nd millennium. A Freeblade is baptized in the bowels of a fleeing Ark Mechanicus. His home gone in the wake of the Great Rift. What remains of his people now stranded over a desert planet infested by Xenos and survivors of Old Night. In the grim darkness of his future on this new world lies only love and war. Both of which know no mercy.

The world of Remnant as it was is no more. Whole Kingdoms devastated as punishment for defiance against the Emperor's Great Crusade and His greatest warriors, the Legiones Astartes. But Remnant survives through its people, survivors adrift in a cruel galaxy, carried along to service the same cause that burned their homes and slaughtered their neighbors. (Warhammer/Great Crusade AU)

Rather than be undergo a forced log out on the day YGGDRASIL's servers shut down, salary man Suzuki Satoru finds himself in the body of his avatar Momonga. Nazarick has been transported to a strange new land with a shattered moon hanging over head. The world is yours for the taking.

The Saderan Empire created the Gate and expected to find an easy world to conquer from the other side. Little did they know of the monsters they have foolishly awakened and unleashed. It was on the peak of Alnus that everything began. It is on the peak of Alnus that everything will end.

As the war with the Dark Queen nears its end, the Goddess Reborn gathers her forces to deliver a decisive blow that will put an end to the Dark Queen's reign of terror. In the midst of gathering her forces, a mysterious stranger is brought to her gates with a dire warning that there is a greater evil lurking in the darkness.

The gods, in their ever-increasing hunger for faith, decided to enact the biggest miracle ever bestowed on man, making the Empire disappear. And with the Empire now in a new world, the time for true conquest is to begin and let the humans rule the world. Yet, a certain magic caster appears on the same day...

Instead of a flying castle with fantasy and swordplay, Kayaba Akihiko's masterpiece is a hyper-realistic Lovecraftian nightmare.

These are just ideas I've come up with in hopes someone would be interested and make it happen. Just me sharing my thoughts on what crossovers should happen.

Kamijou Touma has been whisked away to an unfamiliar land, apart from Index, Misaka, and Othinus. He tries to get a grasp and live his life there, but his misfortune will never let his peace last for long. However, in living this world and getting to know more about it, he begins to learn more about the cruelty of illusionary life.

For Goblin Slayer, killing goblins may be helping many but it is a tide that will never end. No matter how many Goblin Slayer kills, each one will be replaced by ten more. To truly exterminate them, you need someone who knows how to wage a war of genocide.

From deep within the depths of the Warp lies sanctuary. The Holy Grail offers shelter to a pair of lost souls, both of them being the children of Legends. One of them loyal, the other treacherous... — Drabble series. Slow burn. —

Adventure, excitement, thrills, these things were promised to the tens of thousands of people who purchased SAO like they had never experienced before, but the promise was only a sick experiment and the dream quickly turned into a nightmare. To make things worse, when the experiment goes wrong it becomes an exercise in misery, pain and, death. The dawn will be dark for all. (WH FB)

So a thought came to me one day, "Hey, what would a Pokedex made by the Imperium of Man look like?" This is my attempt at such a thing. Hope you enjoy!

A mere sentence, spoken in haste, can change the course of history. In an attempt to save her friends from their fate, Madoka Kaname makes a pact with the alien being known as Kyubey. Her wish comes with a terrible turn as she is thrown into a world far colder than her own. Now she must fight against the darkness, struggling to find salvation in a universe that knows only war.