Rainbow asks why Twilight went crazy. Sunset says it's her fault- Twilight absorbed dark magic from her, and she's sad about it because she can never be rid of it. Pinkie makes the obvious suggestion: summon a succubus from the Partynomicon!

During a sleepover at Sunset's, Dash gets bored and finds a deck of cards Sunset didn't know she had. What happens next is... magical. Their world is truly transformed.

Fluttershy vanishes as a mysterious tree appears in her yard, surrounded by timberwolves. After a tense week of waiting, the tree's biggest fruit, an absolutely enormous peach is finally ready to fall. What's inside will change Equestria forever.