Luna's nightmare

((THIS IS A RISE OF THE GUARDIANS/ MLP CROSSOVER!!))

((not a ship story either! Can't stress that enough!))

Many moons ago, a young moon princess name Luna befriended a young colt name Kozmotis, they where Inseparable! Running around, playing, reading, they did all, Kozmotis dream was to become a stallion knight to protect his best friend but of course that was young fully stuff..
One day as they age Kozmotis finds a old enchanted book filled with curse dark spells, unaware of how much time he has wasted on reading such book he didn't notice that his best friend and the tower of the twin sisters where gone
Out of anger and confusing Kozmotis went on a search for his long lost friend unaware of the nightmares that follow behind

When he found his best friend it wasn't a greeting he thought, for Luna became anger towards him Kozmotis, out of anger change his name, change the mind of Luna controlling her into his wicked dark ways
And to that day he became known as Pitch Black king of nightmares rulers of shadows and fear.