Kirk Thornos was once a normal man but at a tender young age he lost his parents and baby sister in a fire, a few years later after Kirk has been clinically diagnosed with Depression and Post Traumatic Stress Disorder, from watching his parents and sister burn to death, he learns of a dark secret that has plagued his family for generations and upon discovery he makes a blood pact with the apparition of Chaos and is sucked into a world where humans are nothing but animals. He is now connected to a dying goddess "The Fair Lady" who has gifted him the power of fire and is tasked with the mission to steal the humanity of Terra Humans to keep the Goddess alive and help the God of Chaos "Discord" gain power...But how long can he stay on this mission before being discovered by...Talking ponies?

Your Human and You created by MadMaxtheBlack.

Slight inspiration from the Your Human and You story: The Watcher

Dark souls crossover.