Fallout: Equestria (The Voice of Littlepip)

In a mystical realm known as Equestria...

...there came a dark period when the cherished values of friendship were overshadowed by greed, selfishness, and paranoia. The pursuit of dwindling resources and territorial disputes led to conflict and war. The world spiraled into chaos, engulfed by balefire and dark magic. The causes of this destruction were, as always, rooted in ponykind s own flaws. The result was catastrophic: a near-total annihilation of life. A magical spark ignited by pony hooves grew uncontrollably, unleashing devastating megaspells. Lands were consumed by fire, oceans boiled, and nearly all of ponykind perished. The spirits of the fallen lingered in the radiation that now blanketed the desolate world. A heavy silence settled over the ruins of what once was...

...Yet, this was not the ultimate end. Instead, it marked the beginning of a new, blood-stained chapter in the history of ponies. In the early days of the apocalypse, thousands survived by seeking refuge in vast underground shelters called Stables. However, when they finally emerged, they were met with the harsh, unforgiving reality of the wasteland. Only the inhabitants of Stable Two remained untouched by the horrors outside. On the day the skies rained spellfire, the massive steel door of Stable Two sealed shut—and it never opened again.