It's just another day for the mane six in Equestria. But like normal days, things will often go sideways when some creature from another world decides to say hello. But this time, this creature is familiar but impossible at the same time.
A human with quantum-like powers, Tartarus bent on obtaining the true powers that fuel the Elements of Harmony. Together the group of six ponies has gone through thick and thin, often showcasing powers of their own that seem to defy reality. But this time, they get separated by thousands and thousands of stars. Six becomes two and four. Fluttershy and Applejack find themselves on an alien planet with the impossible task of getting home. While Twilight, Rarity, Rainbow, and Pinkie pie find themselves defending themselves from a quantum threat that looms over the entire safety of the very thread that weaves through the universe.

And Twilight finds she is the keystone to it all.

(Cross over containing elements from Subnautica and No Man's Sky. No Series tag for them so I'll put them here?)
Cover Art by me