TVTropes page yay!A human arrives with a house in Ponyville. The Mane Six, and Princess Luna must deal with this new arrival. But not everyone agrees how it should be handled, not everyone agrees on what danger it represents, or the benefit it can be to Equestria.

The inhabitant must also deal with the new rules and conventions of this new world it knows nothing about, as well as the mystery of its appearance, and the incongruities of its arrival.
TVTropes page yay!

When a human’s house crash lands on the outskirts of Ponyville, nopony is quite sure how to react to this strange creature. With seemingly no way to return home to his own world, one young man must adjust to this strange new world, and the world must adjust to him.

Starts between Fall Weather Friends and Suited for Success.

Duke Pantarei, the Hero of the Great War.

His goal was to save the world, but perhaps his method was the wrong one.
He had been willing to sacrifice humanity for the sake of the planet, but in the end his strength wasn't enough.

So he gave the humans one final chance, but something strange happened in the process.
This place...it can't be Terca Lumireis...can it?

Tales of Vesperia crossover.
No knowledge of the game is really needed, but it would help if you at least read Duke's wiki profile or something.

Dracule Knight is labeled as the most deadliest man alive, and marked as the strongest person on earth. But that doesn’t mean he’s a bad guy, dracule lives life in excitement and action where ever he goes. So when a random portal transports him to equestria things get a whole lot more interesting for the warrior. instead of freaking out and wishing to go home, dracule takes the whole thing as a stroke of luck. being in a world full of magic, and creature only to believe were myths excites dracule to higher levels. sadly equestria is facing a slight problem, a monster problem. good thing someone's there to take these monsters on face to face, it doesn’t matter if your a monster, demon, ghost, zombie, you name it. Dracule will take you on and beat you down with a smile on his face. And lets not forget the sweet ass powers dracule gets that will help him in the long run.