History Recap / StarVsTheForcesOfEvilS3E24MonsterBash

* HealingHands: Turns out Slime's slime gets Princess Spider-Bite rid of her titular condition.

* DespairEventHorizon: After the party is ruined, the monster kids lost any hope of ever being treated as equals in Mewni. Likewise, Star feels that with tensions between monsters and Mewmans having worsened, she can never accomplish her dream of having an integrated Mewni society.

* DidYouJustPunchOutCthulhu: Mina gave even the Demon Prince of The Underworld a run for his money, even withstanding his own infernal magic.

* HealingHands: Turns out Slime's slime gets Princess Spiderbite rid of her titular condition.

** Centuries of prejudice can't be ended in a single night, and while both sides try, it doesn't stop them from falling back on old biases when things start going downhill. Plus, there will always be people who will be ''insulted'' by a change in the status quo, despite said change having more sound logic. Finally, years of fighting leave mental scars on its soldiers to a point where they can't be reasoned with or forgive those years. The older generation is more troublesome than the younger when it comes to change.
** While Tom has made great strides in bettering himself, lifelong personality flaws like self-centeredness and a bad temper can't be removed overnight. He starts slipping back into throwing (admittedly small) temper tantrums when Star is too busy encouraging Mewman/monster interactions to spend time with him. And though he does apologize for his actions later on, he admits that he doesn't know exactly what he did wrong.

** Slime Monster and Princess Spider-Bite's interactions also count as Ship Tease.

*** Related, Star teased Rhombulus by asking him if he couldn't tell her what was so important because it was so important that [[ButtMonkey he]] was ''also'' LockedOutOfTheLoop. He doesn't say.

* NiceJobBreakingItHero: Hero might be a stretch here, but Mina, a celebrated Mewni hero, is so AxeCrazy that she can't comprehend the idea of there being such a thing as a 'good' monster and kidnaps several monster party-goers.
** This causes tension between the otherwise amicable Mewni and Monster youths; her rampage alerts the police guards who show up and arrest the Monsters for "loitering" while handing out hot chocolate and blankets to the Mewmans ([[AndZoidberg and Marco]]). This in turns severely damages Star's efforts and leaves the Monsters dejected, even after Star uses her authority as princess to convince the guards to let the Monsters go.
** Similarly, if she hadn't kidnapped those Monster youths, Heinous' linage as Eclipsa's daughter and her status as a HalfHumanHybrid wouldn't have been revealed and in turn cause her to remember her identity as Meteora. Thus, Mina is personally responsible for awakening what she herself called "the most dangerous monster in the history of Mewni".

* NoSell: In her hulked-out form, Mina Loveberry is tough enough to shrug off Star's ''strongest spell'', Spider-With-A-Top-Hat Blast.

** While Tom has made great strides in bettering himself, lifelong personality flaws like self-centredness and a bad temper can't be removed overnight. He starts slipping back into throwing (admittedly small) temper tantrums when Star is too busy encouraging Mewman/monster interactions to spend time with him. And though he does apologize for his actions later on, he admits that he doesn't know exactly what he did wrong.

* ShaggySearchTechnique: As Slime reclines against a wall, he crashes through it, ending up in a secret passage to the basement, where he and Princess Spiderbite are captured by Mina.

** Slime Monster and Princess Spiderbite's interactions also count as Ship Tease.

** To SailorMoon, fittingly; one of Mina's books at her camp is 'Secret Tuxedo', a reference to Tuxedo Masked, Sailor Moon's love interest.

'''Gemini:''' I'm...sorry?\\

* WhamLine: Star discovers who's been abducting the monster guests... and runs into a familiar face in the process.
-->'''Star:''' Mina Loveberry?!\\

-->'''Mina:''' Don't you ding-dongs know anything? She's (Eclipsa) her (Heinous/Meteora's) momma!

* TheWorfEffect: Mina took out the demon ''Tom'', who was at full strength with his demon powers. She also shrugged off the Spider-With-A-Tophat Blast, stated by Star to be her strongest spell, like it was nothing.

** Similarly, if she hadn't kidnapped those Monster youths, Heinous' linage as Eclipsa's daughter and her status as a HalfHumanHybrid wouldn't have been revealed and in turn cause her to remember her identity as Meteora.

* SayingTooMuch: Subverted. Though Rhombulus comes close to revealing the classified information that is the true nature of the temple, he actually keeps his mouth shut. Though since Star had just discovered the truth herself, so it wouldn't have actually mattered if he had spilled the beans.

* SayingTooMuch: Subverted. Though Rhombulus comes close to revealing the classified information that is the true nature of the temple, he actually keeps his mouth shut.

** Another book is called ''Fifty Shades of Magic'', a reference to the novel ''Literature/FiftyShadesOfGray''.

* ThatManIsDead: Inverted. Upon becoming aware of her true origins, Miss Heinous forsakes her name and now goes by her true name of Meteora Butterfly.

* DarkerAndEdgier: In her [[Recap/StarVsTheForcesOfEvilS2E9Starstruck first appearance]], Mina's craziness was mostly PlayedForLaughs. Here, it's shown that her lack of sanity makes her an extremely dangerous opponent who is impossible to reason with.

* BaitAndSwitchBoss: In spades. At first, it looks like Miss Heinous is the opponent the heroes have to fight, then Mina Loveberry show up in the dungeon, but ''then'' Miss Heinous comes crashing down on her and [[RuleOfThree ''then'']] Mina rises again and she's the main threat they have to face.

* BaitAndSwitchBoss: Subverted. At first, it looks like Mina Loveberry is the opponent the heroes have to fight, but then Miss Heinous comes crashing down on her, but then Mina rises again and she's the main threat they have to face.

* TheWorfEffect: Mina took out the demon ''Tom'', who was at full strength with his demon powers.

** Ponyhead and Johnny Blowhole bring the old photo booth from [[Recap/StarVsTheForcesOfEvilS2E33TheBounceLounge The Bounce Lounge]] to Star's party.

* FaceHeelTurn: While Mina was rather reckless and wasn't very nice from the start, she becomes a full blown villain here, bent on keeping the status quo of Mewman superiority over monster. In fact, what she did was borderline ''terrorism''.

* RealityEnsues: Centuries of prejudice can't be ended in a single night, and while both sides try, it doesn't stop them from falling back on old biases when things start going downhill. Plus, there will always be people who will be ''insulted'' by a change in the status quo, despite said change having more sound logic. Finally, years of fighting leave mental scars on its soldiers to a point where they can't be reasoned with or forgive those years. The older generation is more troublesome than the younger when it comes to change.

* ShipTease: Marco accepts Kelly's offer to do the Sword Hand dance with her. Slime and Princess Spiderbite's interactions count as Ship Tease.
* ShoutOut: To SailorMoon, fittingly; one of Mina's books at her camp is 'Secret Tuxedo', a reference to Tuxedo Masked, Sailor Moon's love interest.

* BaitAndSwitchBoss: Subverted. At first, it looks like Mina Loveberry is the opponent the heroes have to fight, but then Miss Heinous comes crashing down on her, but then Mina rises again and she's the main threat they have to face.

* TookALevelInBadass: Mina Loveberry has never been weak, but in her OneWingedAngel form, not even Star and Tom are a match for her.

* Fantastic Racism: The Monsters and Mewmans.

* DoubleStandard: A racial one. When the knights show up at the end to arrest the guests for loitering outside the temple, they intend to get only the monster ones for questioning, while ignoring the Mewman troublemakers. Lampshaded by Star.

* RealityEnsues: Centuries of prejudice can't be ended in a single night, and while both sides try, it doesn't stop them from falling back on old biases when things start going downhill. Plus, there will always be people who will be ''insulted'' by a change in the status quo, despite said change having more sound logic.

* RealityEnsues: Centuries of prejudice can't be ended in a single night, and while both sides try it doesnt stop them from falling back on old biases when things start going downhill. Plus, there will always be people who will be ''insulted'' by a change in the status quo, despite said change having more sound logic.

** Similarly, if she hadn't kidnapped those Monster youths, Heinous' linage as Eclipsa's daughter and her status as a HalfHumanHybrid wouldn't have been revealed and in turn cause her to remember her identity as Meteroa.

* ArmorPiercingQuestion: Star brings up the DoubleStandard applied to the arrest of the loitering monsters by asking the knight why won't she deal with the Mewman troublemakers. She has no answer.

* BaitAndSwitchBoss: Double Subverted. At first, it looks like Mina Loveberry is the opponent the heroes have to fight, but then Miss Heinous comes crashing down on her, but then Mina rises again and she's the main threat they have to face.

* MundaneUtility: Tom's fire powers come in handy for quite a few mundane situations.

* RealityEnsues: Centuries of prejudice can't be ended in a single night, and while both sides try it doesnt stop them from falling back on old biases when things start going downhill.

* DidYouJustPunchOutCthulhu: Mina gave even the Demon Prince of The Underworld a huge beating, even withstanding his own infernal magic.

* VillainExitStageLeft: Mina leaves just as the cops arrive.

* TheWorfEffect: Mina took out the demon ''Tom'', who was at full strength.

* TheCavalryArrivesLate: Rhombulus and the knights arrive to defuse the situation, but Mina manages to escape.

* JustJokingJustification: Rich Pigeon shoots a NightmareFace at Marco and tells him "grudges last forever", probably in reference to his broken leg. Turns out he was just joking.
* LockedOutOfTheLoop: Apparently, Rhombulus won't explain what was illegal about Star's party because something about that temple is classified.

* PoorCommunicationKills: Star could've at least mitigated things if she had told Rhombulus that Mina was the one who caused trouble. Likewise, Rhombulus won't even fill in Star as to why it was wrong to throw a part at that temple, which only made tensions worse. As Princess, so she has every right to know.

* FaceHeelTurn: While Mina was rather reckless, she becomes a full blown villain here, bent on keeping the status quo of Mewman superiority over monster. In fact, what she did was borderline ''terrorism''.

* ShipTease: Marco accepts Kelly's offer to do the Sword Hand dance with her. Slime and Princess Spiderbite's interactions count as Ship Tease

* ThatManIsDead: Upon becoming aware of her true origins, Miss Heinous forsakes her name and now goes by her true name of Meteora Butterfly.

* HopeSpot: At first the party is going great as the Mewmans and Monsters are getting along. Then Mina arrives ...

** This causes tension between the otherwise amicable Mewni and Monster youths; her rampage alerts the police guards who show up and arrest the Monsters for "loitering" while handing out hot chocolate and blankets to the Mewmans ([[AndZoidberg and Marco]]). This in turns severely damages Star's efforts and leaves the Monsters dejected.
** Similarly if she hadn't kidnapped those Monster youths, Heinous' linage as Eclipsa's daughter and her status as a HalfHumanHybrid wouldn't have been revealed and in turn cause her to remember her identity as Meteroa.

* ShipTease: Marco accepts Kelly's offer to do the Sword Hand dance with her.