Snakebite Tourniquet was quite content to work as a healer on a merchants caravan, but then he finds himself alone in the desert with his body changed beyond recognition. He tries to find out why this has happened to him and eventually this leads him back home to the Neigherra Madre Mountains.

This fan-fiction is based on Fallout Equestria by Kkat; a familiarity with the source material may aid your understanding.

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Inspired by the heroics of the mysterious mare known as the Stable Dweller, Silver Storm, a guard of the town of Marefort, decides to go on a daring mission to rescue her captured brother. Of course things rarely go as planned and her attempts at heroism drags her into a tangled web of plots and conspiracies as warring factions vie for control over the last great city: Dise.

Spanish Version translated by Spaniard-Kiwi: https://www.deviantart.com/spaniard-kiwi/art/Fallout-Ecuestria-Heroes-996263393