This story is a sequel to The Maretian

In the Changeling Space Program, many are chosen, but only a hoofful have the privilege to be named astromares. Never in her life had Queen Chrysalis dreamed of hosting an alien from another dimension, but yet it has to happen. Stranded on Equus until fit to fly home, Mark Watney will have to adjust to life of aliens and magic...

This is his story...

Searching for any records King Sombra may have left behind, Twilight learned of the shadowy king's tragic past. However, she also discovered his horn, in which his mind and remaining power were contained. Determined to learn how to use his Dark Magic for Good, Twilight brought Sombra back to Ponyville with her. After all, what could he possibly do as a horn? ...Or will he stay that way?

Edited by Darth Vendar and Myrkur
Inspired by Issue #1 of FIENDship is Magic
Gore tag just to be safe.

Edit 06/15/23: Now in the top 2K stories on the site, by rating! Thank you all!

This story is a sequel to Princess and Queen: Mother and Daughter

Flurry Heart and Chrysalis are the new leaders of the Crystal Empire while Cadance recovers from her heartbreak and revival. A lot of things lie ahead, such as getting changelings to be accepted while the two queens adjust to duel rulership. When an enemy threatens the very peace they hope to achive, how will they handle the daunting task ahead?

Sex tag for references and innudo