Most Ghosts slowly perish into oblivion after their Guardian is killed in combat. One little light has broken the iron clasps of the shadows to continue the legacy of his mentor and friend in a world of unknown potential for both Light and Dark.
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.
Following an egregious misunderstanding, Noble Six must rise again to defend Equestria from a species he is far mor familar with in order to prevent both from falling to the common enemy.
Princess Celestia successfully steals the enemy intelligence. Unfortunetely for her, this does not bode well with the shocked and confused members of BLU team.