A UNSC Marine of five years, Sergent Alan Williams, is sent on a thought-to-be routine search and destroy mission on a previously uncharted planet outside of any known systems. On the Planet's surface, they are immediately met with opposition by native wildlife, but soon discover that the planet holds a secret that was never foretold before now. Can Alan and his team of Marines, alongside a SPARTAN-II defeat this Ancient Threat?

With help from the Planet's inhabitants, the Elements of Harmony, or the "Equinus Reclaimers" as they are called by the Forerunners, Gary and his team overcome the evil among them and bring peace to Equestria once more.

/...

I know, unoriginal and whatnot, Halo crossover Fiction AGAIN... But, please, give it try. It's my first attempt at anything that would be published and not crash and burn a week later... Or, something among those lines. As I said --and, hear me out-- it IS another Halo/MLP crossover, and, as such, may make you want to painfully torture me to death with something sharp. My apologies in advance.

Oh yeah... and dat Romance tag... *shudders*