Setting her sights on Equus as her next conquest, Maleficent, mistress of all evil, frees the dreaded king Sombra. Renewed and wielding a new power—and with a growing army of Heartless at his command— Sombra and Maleficent work to bring darkness to Equestria and eventually the whole world. But the ponies will not face this threat alone.

Yen Sid, sensing the evil that seeks to consume this peaceful land, enlists the help of two keybearers to travel to this new world and stop the Heartless before the world is lost to them.

Crossover with Kingdom Hearts. Rated Teen just to be safe.

On a fateful day, Twilight Sparkle leads her friends on an expedition to Everfree forest, but after an unforeseen series of events, the ponies find themselves adrift on a distant land, far beyond the reaches of Equestria. Stranded alongside them are a drifter from another world and a host of powerful monsters at his call. Now forced to work together, the ponies and their new companions must traverse the reaches of these unfamiliar lands as they search for a way to return home.

MLP/Pokemon Crossover.