After teleporting, Twilight is trapped, devoid of magic, in a pocket dimension full of corpses. At least she has a friend though. Twilight, meet Twilight.
1967, NASA has discovered an unmarked island that is being circled by a storm. When an expedition team is sent to this island, it's full of odd and mythical creatures. Some are even bigger than a 9 story building...
After helping tend to the destruction of Ponyville, Fluttershy goes to feed the animals in her Sanctuary...only to find a new arrival unlike anything she's seen before.
Caught between zealots promising death without mercy, and thirsting gods promising salvation for servitude, the Mane 6 make a choice... a choice that changes everything.