Aaaaarrrrrrggghhh

The titular creature has made the Everfree Forest its personal hunting grounds.

Princess Twilight and Co. journey to Everfree Castle to begin preparations for the lavender alicorn's housewarming party. Their trip, however, is cut short by the titular creature's awakening from its slumber in the Everfree Forest. Can our heroes defeat the cartoon peril? Will the animator have a sudden heart attack? Will Angel take up the role he was destined to play? Will the Holy H. Grenade be utilized at long last? Is the author completely insane?

If you want to know then read the story! Don't make me sing the Song of Ni to you!