Star vs. The Forces of Evil Season 4 Episode 9 - Princess Quasar Caterpillar and the Magic Bell/Ghost of Butterfly Castle >Moon and River's home in the woods has grown into a small community, but the inhabitants constantly turn to Moon to solve their issues. Unable to keep up with everything, Moon goes to get her old ledger at Butterfly Castle, which is said to be haunted. Upon retrieving her ledger, Moon finds that what has been haunting the castle all along was actually Mina Loveberry. Mina reveals she has been trying to dethrone Eclipsa and was the one who put Yada Yada Berries in her food (in "Yada Yada Berries"). Moon tries to convince her that she does not have to fight monsters anymore, but in Mina's eyes she will always be a soldier and Moon will always be a queen. To prove her wrong, Moon decides not to be everyone's problem solver anymore and lets Mina do as she pleases.