Normally these side-stories hang out on their own, but at 177k+ words, this one hired some muscle to hang around outside the EqD office talking about fire insurance until we got the hint.
There's also fanart after the break!
Author: No One
Description: 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.Fallout Equestria: Heroes (New Chapter 31!)
Additional Tags: Silver Storm, Hired Gun, Serenity, Flare, Fo:E spinoff, Post-apocalyptic, Long
(click for source)