One day, Twilight found a new type of gem that she has never seen before and brought it to her library. Spike is a dragon that eats gems and the gem Twilight brought has awoken feelings that he haven't felt in a while.
Colonel Roy Mustang arrives in Equestria pursued by the demons of his past, the Homunculi Lust and Envy. Getting back home won't be easy; rescuing Equestria from transmutation will be much more difficult. Fullmetal Alchemist: Brotherhood crossover.
Homunculus Pride, after being defeated by Edward Elric, ends up in Equestria as a colt. Luckily, he's not new to being a child. However, he is new to this alien world around him.
[A Displaced Fic] A man dressed as Edward Elric "The Fullmetal Alchemist" gets thrown through the void into Equestria along with the power of transmutation.
What happens when Spike stumbles upon a book telling him about an ancient power called Alchemy? That when used for good, can create. But when used for evil, can destroy. {A Fullmetal Alchemist crossover}