Critical Role/Harry Potter cross over. Missing child trope. Different planes/different time speeds trope. Set Season 1 Ep: 44 Drunken Tomb of Critical Role and cross over with Goblet of Fire.

At the age of seven, after not being able to cope with the Dursleys, Harry Potter decides he has had enough and runs away. He gets tricked into a rabbit hole that may have no end. Haphne Fem!Harry Grey!Harry (Gamer fic that not just stat checks)

Harry's parents were really Bahamut, deity and king of the good dragons, and his mate (an OC) who had incarnated themselves to live mortal lives as James and Lily Potter. Things went very differently for Harry after Voldemort's attack.

After Vernon abandons Harry the young wizards gains a new family, one that Voldemort should watch out for for no one angers a dragon. Made with Omernoa's help

Luna has a surprise for Pansy's birthday.

The continuing adventures up to the completion of the story of Milo, a D&D 3.5 wizard who finds himself in Harry Potter's world, facing Voldemort and other challenges.

Aramil, a sorcerer-slash-changeling-adventurer extraordinaire, stumbles through a portal in the City of Doors and emerges into a very strange world... 3.5 Edition.

Mckenzie Calderwood is an auror who specializes in the criminally deranged. One day, she's called to Azkaban to meet a prisoner who was never admitted, and claims to be from another world entirely. Pilot chapter.

A character from a campaign that was abandoned, I was sad he's had to lie dormant for all these years. Well now he's going to power his way through various stories and other games. ml#id 8287

The sequel to Harry Potter D&D. The crew return to Hogwarts, with tagalongs. How will a group of seasoned dungeon crawlers handle this Voldemort? Come inside, and find out.

Lily's father came from another plane, a realm far away with far different magic, a realm called Exandria. Hiding these alternate magical origins for years he eventually steps in to help fight the war against Voldemort...and can not prevent destiny from having its way with his daughter. Now he must hope he can change his grandson's fate instead.

Milo, a genre-savvy D&D Wizard and Adventurer Extraordinaire is forced to attend Hogwarts, and soon finds himself plunged into a new adventure of magic, mad old Wizards, metagaming, misunderstandings, and munchkinry. Updates monthly.

When Cole, an apprentice arcanist, crashes through Dumbledore's office window he shakes the wizarding world to it's core, for those with the potential to cheat death are forever hounded by both evil and good. Will update as my schedule allows.

Lorathyra is a Halfling Sorceress, Apprentice to the greatest wizard in Waterdeep, Thaddeous Spellbinder. She finds herself at Hogwarts, unable to return home. Now an unknown evil is after her, and she is drawn into the war with Voldemort.

Twierdza Mroku to pomysł na przygodę zaczerpnięty z Baldur's Gate II. W założeniu to humorystyczny crossover łączący postacie z uniwersów Forgotten Realms i Harry'ego Pottera.

I don't know what went wrong. I don't know what went right, either, so I take comfort in that, at least. Now, though, I'm in a different world with different rules, and worst of all, I have to protect a girl. A GIRL TWICE MY AGE. With everything I do determined by the roll of a die. It can't get worse... Can it? I just hope noone else shows up.{HarryxMulti}

A wizard from another universe becomes the new teacher of a new subject in Hogwarts. Changing the storyline of H/P, this stranger may be more deadly than any wizard or witch in their world. DND 3.P (3.5e combined with Pathfinder) and Harry Potter. COMPLETED AS OF 8 NOVEMBER 2015!

Read for yourself to get the gist of it because i suck at summaries.

Der D&D-Magier Milo Amastacia-Liadon gerät in die Welt von Harry Potter, besucht Hogwarts und bringt dort einiges durcheinander. Eine Übersetzung von Sir Poleys "Harry Potter and the Natural 20", Updates gibt es jeden zweiten Freitag.

Uninvited guests often cause problems and frustration, some more than others.

Maggie Kimbal, a savy D&D character, meets Harry and Hermione at an early age. Melding D20 and HP magic, the trio proceeds into the field of Technomancy and "Global Optimization". How will they cope with incompetent opponents, impossible research goals, subplots, and tricky hijinks? Munchkining Harry Potter style, of course.

Imagine everything went perfectly well, bullets dodged and everything as in H.P. and the chamber. Well, the H.P. and the Nat 20 story is so good I felt tempted to do something myself.

The mage-lords of Hyboria has sent themselves into eternal magical sleep to escape their sorcerous foes. And so they now find themselves in another world and another time. In so doing, they shall bring a new age of magic, one that will see themselves as Overlords of this Earth.

Rangers: Men and women who explore the darkest recesses of the wilderness. When a Half-Dragon Half-Elven Ranger appears at Hogwarts before the start of the fifth year will set into motion a chain of events that will change the life of one Jade Potter forever. Fem-Harry

My 2010 Nanowrimo story. A crossover between Harry Potter and Advanced Dungeons and Dragons. Harry ends up in an ADnD world at a young age. Trained as a Ranger, when Dumbledore gets him back he's not a little boy any more.