Tropes/Nightmare Fuel

Note: ✬ = Shown in the game, ☆ = Animated only

## Multi-chapter

* The Kanto seasons had Team Rocket kill a Marowak when they took Mr. Fuji hostage, leaving the protagonist to battle her vengeful ghost.
* The end-game of the Hoenn seasons: while Team Galactic wouldn't be able to trigger the apocalypse they wanted, Team Magma/Aqua did. Of course, the protagonist saves the day, but a brief Darkest Hour actually happened for real this time.
* At Celestic Town in the Sinnoh seasons, a Galactic Grunt mentions a "package" that's going to destroy Celestic Town. It turns out to be a bomb which causes the Sacred Lake to evaporate. That's right, Team Galactic isn't just a crime syndicate, they're terrorists.
* The Lake Trio, Azelf, Mesprit, and Uxie, can turn people into stone, take their emotions, or wipe their memories, respectively, as each one acts as the deity in charge of each aspect. And none of this can be reversed for *one thousand years.*
* Escalation of the villainy of the various teams: Team Rocket were generically nefarious, but mostly dim and restricted to ordinary organized crime; Team Aqua wanted to expand the oceans, which would have drowned coastal cities, and Team Magma wanted to expand the landmass, mostly by causing a volcanic eruption, but both believed that their actions would benefit humanity. Team Galactic wanted to summon a godlike being in order to destroy the universe and recreate it: they wanted to end existence and create their own, supposedly "better" universe with Cyrus as the supreme ruler. In the Platinum season, the "perfect world" Cyrus wants to create is a "world without spirit". He wants to unmake the world, and purge it of all traces of individuality, emotion, knowledge, and thought. And even after Casey defeats him and pacifies Giratina, he says that he has not abandoned his plans, and leaves with this ominous line: "One day, you will awake in my world. A world without spirit." Team Plasma wanted to confiscate Pokémon from their trainers so they could rule the world with an iron fist. Team Flare wanted to use an ancient weapon to wipe out all of civilization except their own. Finally, Team Rainbow Rocket is a compilation of villainy consisting of several key figures from the villainous teams of the first six known regions. Thankfully, Team Skull and Team Yell relegate back to being nothing more than ordinary street thugs.
	+ Team Skull being the villainous team of Alola gives said region's seasons a lighter tone than any other season...until we learn just what's really happening at Aether Paradise and what Lusamine is really like.
	+ According to an old couple in Sunyshore City, "[Cyrus] was always like this, even at a young age."
	+ The vast majority of Team Galactic don't even know about Cyrus's true motives and the true nature of the world he wants to create: he's playing them all like fools.
	+ To top it all off, Ultra Sun and Ultra Moon straight up state that there exist worlds where these megalomaniacs ***ACTUALLY SUCCEED IN THEIR PLANS.*** Just imagine how miserable life must be in the aftermath of their worlds.

## Chapter 2: Retro

* Two things from this chapter's Johto seasons:
	+ There's the Lake of Rage before thwarting Team Rocket, as Gyarados — normally — are described as being unable to control their power, and so they go absolutely crazy with it, vaporizing everything around them until there's nothing left to violate. They have also exhibited tendencies that suggest they are drawn to violence and rage. Apparently, this change in temperament is thought to originate in a Magikarp's brain cells rewriting themselves upon evolution.
		- One scientist found in Team Rocket HQ says this:
			* *"If we turn up the power of our radio signal for broadcast... the very thought excites me!"*
	+ The fate of the Cinnabar Islands and Blaine: Cinnabar blew up, almost everyone who lived there has left, and Blaine's become a recluse — yet still a Gym Leader — in the Seafoam Islands. Thankfully, following the eruption, as remarked by one guy found in the Cinnabar Pokémon Center, everybody got away from the island safely.

## Chapter 3: Third-Game

### Platinum

* There's a small segment in the season that is often forgotten but ranks easily as one of the most unnerving moments of the series. Right after the second battle against Cyrus inside Galactic Hideout, Casey descends to the basement where the Lake Trio is held captive. Not only is the theme played there really unsettling, but she gets to: 1) Talk with the scientists that worked on Cyrus' plan, and they are *horrified* with the results of the research; 2) Find the Lake Trio trapped in machines being apparently tortured and 3) Go through a wing full of huge pods filled with green fluid with... something floating inside. We never find out what the "something" is.
* The Distortion World. The idea of a world where gravity shifts under your feet may or may not be frightening to some people, but it starts to get disturbing when platforms hovering above an endless void disappear right as Casey tries to step on them... and when very tall sunflowers grow backwards into the ground when approaching them... and when people behave oddly and then suddenly disappear into thin air. That, the dark color scheme, the Eldritch Abomination that flies overhead every so often, and the creepy music add up to an overpowering feeling that this is a place man was not meant to see.
	+ Naturally, Casey herself is heavily traumatized by the whole thing, and loses the will to travel outside her house following the events with the Creation Trio. She gets better, luckily.