Based on the famous game DooM, having influence from other games, though. A soldier is assigned to serve in the EAC, something not too pleasing to him. However, this is a matter of life or death, for the fate of the universe may be in his hooves.

A human is in Equestria. After some incidents, he is chosen to be Princess Luna's personal guard. But what does happen when a terrorist biological attack sets out and he is sent to investigate? Rated M for future sex scenes and bloody content.