Twilight is curious about one of Equestria's darkest wars in history that even the princesses refuse to tell her about, she goes to the library to satisfy her curiousity.

After Natayo and the Main Six and Melina go to the castle to watch Twilight practice a new spell they find themselves in the a new dimension full of clones, droids, jedi, sith, and much more.

When a 18 year old human boy named Jacob falls through a portal the next thing he knows he's being born again as a pony.

When one of Thunderstorm's guards brings him a picture of a marker he soons finds out just how much trouble and danger Equestria is in.

A white coated pegasus comes to Ponyville looking for a place to move into and a friend to make.

This is a Dead Space Crossover where strange things start appearing on Equestria and they call these killer creatures and ponies everywhere are dying so they set out on a long journey to take the marker out and save Equestria and themselves.