Damian Callaghan is no ordinary person. He's a lonesome yet clinically insane mercenary hired to fight in endless squabbles over somewhat useless gravel pits alongside nine other unique mercenaries against equally identical mercenaries. So what does he do when he ends up in Equestria?

No idea, but chaoticness is sure to follow.

(TF2xMLP:FiM Crossover. OC Warning)