Ryou always thought that the most dangerous artifact his father had ever given him was the Millennium Ring. He was wrong, this lost diadem was far more dangerous. YGO/HP. SLASH. HET. SHOUNEN-AI.

How was he supposed to find – let alone get his hands on – three legendary Artefacts, hidden by a fearsome Dark Lord, under heavy protections, in the most secure places in the wizarding world?... He couldn't. Perhaps it was time to seek professional help.

After a new law is passed in the Ministry, Ryou receives a letter to Hogwarts. Malik tags along. However, complications arise, including passing out from apparation.

Harry is finding life at the Dursley's suffocating until he meets the new boy down the street. Little does he know, his new muggle friend isn't as magic-less as he seems. no pairings. Ryou centric. Full Summary inside.

YuGiOh Harry Potter crossover for JollieRancher. Yugi is caught between Voldemort and the Order. Full summery inside.

The shock of seeing Light and Dark in its purest, most chaotic form is enough for a normal person to take, but the Wizarding world did not know what they discovered until it was too late. YGO/HP crossover. Blindshipping

YGO/HP X-over. When Yugi was young, his godfather saved his life from ending too soon. Several years later after his grandfather dies, he moves to England. When Yugi ends at school with Harry Potter, he'll be in for an adventure of a lifetime. HAITUS!

While visiting his father in egypt,Ryou meets a strange family. At his return to Japan he is shocked to find an acceptance letter to a magic school waiting for him. How will he survive against new magic, and a dark lord after his power? T for Language...

Is the enemy of my enemy my friend? It was something Yugi never had to think about until he became the hostage of a magical nation and was stripped of the Puzzle like an experiment. Now this Ministry is asking for his help? But they're not the only one...

YGOHP It's been weeks since the Fourth Year, where Harry Potter bravely stood against the Dark Lord, and failed to stop his return. Death Eaters and Master continue to plan in secret, one of which will not only alter the Order's lives, but several others…

Where there is Darkness there will be Light... Yugi, Bakura, Malik, and Kaiba all wake up to an owl one morning. They have no idea of the wild ride that lies ahead of them... HP/YGO Crossover with a few surprises along the way... PLZ R&R!

A YuGiOhHarry Potter Crossover...From the east four shall come. Thief King, Pharaoh, Priest and Guardian, Two to the Lion, two the Snake. The gap between the two will be bridged...

He did not move, even when the dementor floated before him, lifted its hood, and took his face into its clammy bony hands and began to lift him upwards...When Yami no Bakura is faced with a dementor, whose soul will be lost? Weird ONESHOT YGOHP

On a trip to England, Ryou stumbles upon the magical world, is mistaken for a wizard, and is coerced into attending Hogwarts. The politically unstable wizarding world is perilous- will the spirit be able to teach his host how to survive?

Ryou returns to England for closure over Monster World incidents that had taken place there before he moved to Domino. While there, he runs into new problems in the form of the modern magical world. YGOHP, No Pairings, DH/Post-MW AU. *HIATUS*

They are not Hogwarts-bound exchange students, nor are they teachers of magical arts. They are purely prisoners of war, thrown into a dangerous new world that they didn't know existed. There are no alliances here. There are no strings attached. YGOxHP

Severus Snape finds that there are Shadows between here and there, the Archway of Death doesn't lead to where it is supposed to. Harry Potter x Yugioh Crossover, with OOCness and spoilers.

After surrendering to Dumbledore's plan, Harry wakes up somewhere elsewhere. Deathly Hallows spoilers, Yugioh crossover.

ABANDONED. He had thought that mercy was one of the things that separated good guys from bad guys. When had mercy begun represent betrayal? Harry Potter crossover

When Yami Bakura stumbles upon a mysterious hidden platform, it seems the opportunity he's been waiting for has finally arrived. But why bother learning at a common, mortal school, when he already has an able host to do it for him?

Yami no Bakura receives a letter from a certain school... Beware of the world's shortest Yu-Gi-Oh! x Harry Potter crossover ever.

For those of us who want something more out of a YGOHP crossover than 'Yuugi, Ryou, Malik, and Seto go to Hogwarts'. An unconventional oneshot.

Believing Hermione is focusing too hard on her independent study of war magic, her parents interest her in a game, not knowing that 'Duel Monsters' contained even deeper and darker magic for her to become entangled in.

You can blame strangers for a lot of things it seems, for they always seem to drag you into a bigger mess than you'd otherwise manage by yourself. But 'friends' are worse, especially when you can never be certain whether they're lying…HP x YGO

HPYGO xover. Ryou goes to London to visit his father, Bakura wanders somewhere he shouldn't. Hogwarts, beware...