I'm looking for a story featuring Pinkie Pie. The main character was actually Lyra, but I think Pinkie plays a big role as well. In it, Pinkie was really an Eldritch Abomination. It's cover art was a picture of the heads of several ponies in a ring on a dark green background, including Pinkie,(in Eldritch Abomination form) Lyra, and what looked like a robot version of Sweetie Belle. To the best of my knowledge it was incomplete. I think the plot had something to do with fighting monsters. So... Does anybody know where it is?

Was it something about searchers of truth or something like that?

If so is it Truth Seeker ?

5744482 Yeah, that's it! Thanks!