Fisher Kingdom

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Jimmy Woo: You had a bulletproof vest on when you went inside, didn't you?
Monica Rambeau: Those pants are 85% Kevlar. It's not an illusion; Wanda is rewriting reality.

— WandaVision

The places we live/work/play in have an effect on us. These environments change us, and in fiction, we mean this literally.^note Because in real life, it's far likelier that we're the ones changing the environment to suit our needs. Maybe the region is deeply infused with magic, or perhaps the universe itself has a different set of natural laws — either way, these rules are strictly enforced, and living in (or sometimes even just visiting) this place changes you, be it mentally or physically, and often not in subtle ways.

There are three kinds of Fisher Kingdom, at times overlapping.

1. Mental Warping: This place changes you. It may be anything from a Sugar Bowl to a Crapsack World, but it has the power to re-mold your brain into that of a typical denizen. Any visitors from Real Life or a neighboring (but different) country will slowly have their personality changed into one of a "normal" person for that world, be they sugary sweet and nice or hard-boiled and jaded. There's a limited Truth in Television to this part, as living in one place for an extended period does have some effect in you, but in fiction this goes well beyond the usual spoken accents and behavioral customs.
2. Physical Warping: The world itself is a Weirdness Censor, and will physically transform visitors to conform to its environment. Real Life people visiting a cartoon world will become 2D cartoon caricatures; visitors to the Sugar Bowl might have their wardrobe reaccessorized with frills, bows, poofs, etc.; visiting a world of Talking Animals (or Petting-Zoo People) may cause one to become anthropomorphized or transformed into an animal themselves, or so on.
3. Life Link: If the land is magical or sentient, it can become its own Fisher King with the residents as its "kingdom": If the land is well then the residents are healthy; if it gets burned, polluted or corrupted with The Dark Side? Well, lets just say the residents won't like the results. Frequently, residents are a Terminally Dependent Society on the land.

This is similar to a Genius Loci using The Virus. Though the world isn't usually possessed of an intelligence, the precision of some of the changes would logically indicate some form of intelligence at work.

Compare Fisher King, in which the land changes to reflect its ruler (and/or vice versa). Also compare Medium-Shift Gag. Contrast Morphic Resonance.

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Examples:

Advertising

• The 2014 Sky Movies' "Step Into the Adventure" ad has a family becoming puppets in Muppets Most Wanted, given vaguely superheroic jackets in The Amazing Spider-Man 2, becoming minifigs in The LEGO Movie and CGI toons Frozen. The later 2015 version didn't have the girl change when she entered live-action films, but she still turned CGI for Big Hero 6.

Anime & Manga

• Used in Catnapped!, when the kids enter the cat world and turn into cats themselves. It's explained that instead of getting sunburns, the sun in that world turns people into cats. And if you stay there too long, you turn into an Eldritch Abomination, because... um... that's how radiation works.
• The Cat Returns: The longer Haru stays in the Cat Kingdom, the more feline her appearance becomes. She changes more if she starts to "lose herself" in the world.
• Digimon Adventure 02 does this with the Digidestined/Chosen Children when they enter the Digital World, which reflects their personalities. Davis/Daisuke gains a blue and red bomber jacket with flames, Yolei/Miyako gets a helmet and vest-like overshirt with white gloves, Cody/Iori gets a prim and proper earth-tone uniform-like outfit. Unlike the others, Kari/Hikari and T.K./Takeru do not change their clothing, retaining a pink, yellow, and white ensemble with pink fingerless gloves, and an aqua-and-yellow long-sleeved shirt, respectively. Prior to his Heel–Face Turn, Ken gets a decked-out dictatorial blue-and-yellow uniform as the Digimon Emperor/Kaiser. Afterwards, he wears a grey outfit both in and out of the Digiworld.
• Higurashi: When They Cry: Being a resident (or even a previous resident) of Hinamizawa means you get a chance of going all crazy.
• Nurse Angel Ririka SOS features a sister-world to Earth called Queen Earth, ruled by the wise and beautiful Princess Helena. Queen Earth has been invaded, and as it Mordor-ifies, Helena grows increasingly ill courtesy of life-link.
• The Straw Hat Pirates in One Piece is Fisher Crew. It doesn't matter whether you have Dark and Troubled Past,^note Robin, Law Chronic Backstabbing Disorder for being hunted and betrayed every single time,^note Robin Sole Survivor of a nation who had to hide in a pile of corpses to survive,^note Law or even a feared Yakuza-like figure of the seas.^note Jinbei The more you spend time with them, the more their zaniness rubs on you and eventually you will be proven Not So Above It All.
• Princess Tutu is apparently set in real-world Germany, possibly in the modern-day, but visitors to Gold Crown Town seamlessly, instantaneously, and invariably become part of the fairy tale, anthropomorphic dancing animals and all.
• Show by Rock!! has a dimension called Sound World, with a city called Midicity, where the residents are myumon, Funny Animals or Animate Inanimate Objects that can transform into a Little Bit Beastly human form. When Cyan is dragged into this dimension, she transforms into a myumon.
• The Story Between a Dumb Prefect and a High School Girl with an Inappropriate Skirt Length: The library is this for one person, student librarian Seiichi Tsukishima. Inside the library he's a Bishōnen, while just sticking his head over the threshold turns him into a Gonk with Asian Buck Teeth, nearly unrecognizable as the same person. His classmates have figured out that surrounding him with books (or even tying them to his body) has the same effect, and they used this to make him serve as a Host Club waiter for the School Festival.
• The plot to Uzumaki. The town Kurôzu-cho is "cursed by the spiral", causing inhabitants to initially go mad, and obsessed with spiral shapes. Towards the end people start transforming into human-sized snails.

Comic Books

• Those Annoying Post Bros have the ability to reality-jump, and either change into a local form or not, depending on their whim. They can, for example, change into a giant by going to a world of giants and becoming one, then returning to the world they started from but retaining their giant form. They can always return to normal by simply going home.
• In the graphic novel Amulet there is one town that is cursed. The longer people stay there they gradually transform into anthropomorphic animals. Though Leon was turned into a fox, as was his father. So it seems the spell has some bizarre connection to genetics.
• In DC/RWBY, Team RWBY ends up in the DC Universe chasing after Grimm who are crossing over. During combat with Batman, their outfits suddenly change - gone are the anime stylings and the Mistral Arc outfits and outfits resembling other prominent DC females (Ruby has a slight nod to Poison Ivy, Weiss leans a bit towards Zatanna, Blake obviously takes up Catwoman and Yang resembles Artemis) and being caked up in makeup are in. The girls are shocked at the changes.
• In Green Lantern Annual #6 (part of the Pulp Heroes event), Kyle Rayner gets sucked through a Portal Picture into a Planetary Romance world, and discovers that while he's there, his ring can only create things appropriate to the setting, including replacing his uniform with a loincloth-and-leather-belts outfit. He can't fly, but he can create retro-futuristic flying machines, and so on.
• In Spider-Ham: Aporkalypse Now, the Bee-Yonder's influence makes Spider-Ham transform to fit each world they visit: in the mainstream Marvel Universe's 1930s he becomes an Inkblot Cartoon Style character, on the world of Spider-Man: Reign he bulks up and acquires portentous narration, becoming a Batman: The Dark Knight Returns parody, and in the newspaper strip world, he resembles his original 1980s design.

Comic Strips

• When Dilbert was transferred to accounting (workforce made up entirely of trolls), he began to turn into a troll. See here.

Fan Works

• In Aeon Entelechy Evangelion the mythical otherworldly (literally) plateau of Leng is a combination of this and Alien Kudzu.
• Creatures of Flesh: Accord's time portals have the ability to alter any traveler to fit the time period if they aren't careful as a best case scenario. When 9S goes through a portal to the setting of Nier out of curiosity and 2B and their pods follow him, the androids become humans while their Pods become Grimoires.
• A strange example is found in Dungeon Keeper Ami. Due to both Ami's research into improved dungeon hearts and the repeated attacks by Dark Gods, namely The Mighty Tyrant and Crowned Death, Ami's dungeon corruption has begun transforming the worn clothing, ornamentation, and general appearance of its denizens in various ways.
• Everything Has Changed: The fangirls Taylor and Ashley find themselves in the show gradually forgetting what they know about the show and being from another world. They are unable to leave before it takes full effect.
• Final Fantasy Tactics Advance: This occurs in a lot of fanfics, almost all humans entering Ivalice end up transformed into any one of Ivalice's other races (commonly Moogles), despite Humes being the most populous race in Ivalice. This correlates with the fandom's preponderance to write with the layout of the original plot imitated in all exactness.
• My Little Pony: Friendship Is Magic:
  • In fanfics, it's common to depict Equestria as one of these, turning humanoid visitors from other dimensions or the real world into some variety of pony if they don't remain as they are.
  • It's also somewhat common to depict the opposite, too. Which is now at least vaguely canon with the Equestria Girls movies.
  • There have also been transformations to non-ponies, like Echo the Diamond Dog and Griffin the Griffon.
  • In the epic final episode of the Doctor Who blog TARDIS Eruditorum, everyone who had written a guest post was invited to write a short piece of fanfiction. Froborr, who wrote the article on the "Doctor Whooves" phenomenon, had the Twelfth Doctor notice he'd turned into a pony and instantly realise the TARDIS must have arrived in that universe with "far too much hugging".
• The Official Fanfiction University Of Middle-earth: All of the attendants were human on Earth of course, but if you enter "elf" under "race" in your enrolment paper, you'll become an elf as long as you stay at OFUM.
• This is seen in other Official Fanfiction Universities as well. There's "Dryads" in the Belgariad/Malloreon OFU, a full range of "aliens" in the Star Trek OFU ... basically if there are nonhuman sentients present in the fictional world, and human fanfic writers who think those nonhumans are "cool", expect to see transformed fanfic writers in the OFU.
• The Portal: Anyone who goes through the titular portal ends up being transformed into a dragon when they arrive in the Dragon Realms.
• In the Animal Crossing Let's Play The Terrible Secret of Animal Crossing, Animal Crossing takes place on an island with this property: everyone there turns into their favourite animal. But, first, they go insane.
• This Time Round:
  • In the Doctor Who Meta Fic Massive Multiplayer Crossover Round Robin Reflections of Reality (aka the Pro-Fun Quadrille), everyone transforms into Dungeons & Dragons characters when they realise they've landed on a Gameworld. For most of them, this just means acquiring medieval clothing and weapons and appropriate skills; for many of the nonhumans, it means being transformed into the closest D&D PC race. (It eventually transpires the whole thing is an illusion).
  • There's a milder effect in an earlier Round Robin, the Pro-Fun Hoedown Goodnight, Sweetheart, where everyone who ventures into the fairytale world finds themselves outfitted appropriately.
• Ultrasonic: Whatever transported Marinette from Paris to Zootopia also turned her into a white cat, though when she transforms into Ladybug she turns back to her human form.

Film — Animation

• In Coco, when Miguel enters the Land of the Dead, he slowly starts turning into a skeleton. He must leave before sunrise when he'll fully transform and will never be able to return to the mortal world.
• The Mind Screw film The Elm-Chanted Forest has the main character fall down a hole and get captured by humanoid mushrooms. They tie him up so that eventually he will turn into a mushroom as well, because "Everybody becomes a mushroom down here". Except for a talking snail, apparently because the mushrooms have never noticed him. And then they sing a psychedelic musical number, starring a fungal Expy of Michael Jackson and Prince.
• In Inside Out, when Joy, Sadness, and Bing Bong are trapped in the abstract thought chamber, their shapes shift in stages to various abstract forms. First they turn into Picasso-like amalgamations (which fall apart during the second stage), then turn two dimensional, and finally lose all definition, becoming walking shapes. (The directors' commentary notes that the soundtrack devolves accordingly, from Atmos to 5.1 to 2.0 to mono.) They shift back when they escape.
• Justice League × RWBY: Super Heroes & Huntsmen:
  • When the members of the Justice League are sent to Remnant in Part 1, they all end up altered to fit in with both the setting and the main cast. They're de-aged to teenagers, while some are turned into Faunus, with their abilities now tied to Dust and Semblances.
  • In Part 2, as in Comic Book/DCRWBY, when Team RWBY is sent to the DCU, Team RWBY changes their looks while in the DCU. However, unlike the comic, they take a more Heroic Build and Blake loses her Faunus attribute.
• Earth is one of these in My Little Pony: Equestria Girls. Ponies who travel to Earth are transformed into humans (complete with appropriate clothing) and a baby dragon who comes through the portal is turned into a talking dog. They transform back when they return home.
• Disney's Pinocchio has Pleasure Island, called Land of Toys in the original novel, where you never have to work. The longer you stay there, the more you start to turn into a donkey. Though you could say it's a more literal version of making an ass of yourself.
• In Playmobil: The Movie, The Playmobil World turns everyone entering it into a Playmobil doll.

Film — Live-Action

• The Neverland in Hook is a more downplayed example. Maggie warns Jack that "Neverland makes you forget." The novelization further explains that by staying in one world long enough, you lose your memories of the other world. This is why Peter didn't remember being Peter Pan after choosing to live in our world and why Jack was starting to believe he was Hook's son.
• Last Action Hero: The different rules of the movie universe affect the characters to the point where Slater is saved from a realistically deadly gunshot wound by returning to the movie universe where plot convenience dictates that it's Only a Flesh Wound.
• The monster world in Little Monsters gradually transforms children who visit it into monsters if they spend too much time there.
• Looney Tunes: Back in Action: While Elmer chases Bugs and Daffy in and out of famous paintings in the Louvre, all three become rendered in the paintings' styles. For example, going into Salvador Dalí's The Persistence of Memory causes them to melt like the clocks.
  Daffy: Well, this is surreal.
• Milo and The Phantom Tollbooth. As Milo travels through the tollbooth, he changes from live-action to a cartoon (and back again in the opposite direction).
• In Pleasantville, the main characters turn greyscale and are wearing '50s attire upon appearing in the universe of Pleasantville the '50s sitcom.
• Stay Tuned was about a man and his wife who get Trapped in TV Land via some sort of magic satellite dish given to him by a Corrupt Corporate Executive who was in charge of producing a cable TV network for his boss, Satan, and did so by trapping hapless mortals and torturing them in the shows. They changed to fit whatever "show" they were in (the most prominent example being when they ended up in an ersatz Tom and Jerry show as cartoon mice).
• Teen Beach Movie: After spending some time trapped in a 60's style beach musical, Mack and Brady find that they can't stop singing during musical numbers and their hair no longer gets wet.
• In the TRON universe, you will go from a normal human (User) to a program if you are digitized into a computer. You get to keep your mind, memories, face, and general body shape, but your clothes are substituted with a neat glowing bodysuit and you are subject to most of the "physical laws" of the computer world. Users are also apparently a lot hardier and stronger than the average program, and Flynn can to some degree alter the computer world around him at will. The former is probably meant to reflect data size and redundancy. Randomly change a few molecules in a human and a couple dozen instructions in a program's code — most of the time the program will suffer far more for it.
• TRON: Legacy changes this, due to the setting being a different Grid built with User integration in mind. Your clothes go with you when you're brought in, and you bleed as a normal human would. Age is kept time-relevant with the real world, even though time in the grid passes much faster (Kevin Flynn looks twenty years older, as he should, but is mentally around 1000 years old due to spending all those years on the Grid).

Literature

• In Alice in Wonderland, it's hinted at by the Cheshire Cat that staying in Wonderland too long will drive anyone mad, or possibly more accurately, you can only enter if you're already mad to begin with.
• In Craig Shaw Gardner's Cineverse Cycle, characters' personalities shift depending on what movie world they're on. Usually, this is subtle, but each character has one world where they will shift drastically to fit; most notably a Mad Scientist who warps into a hapless wizard when he's confronted with cartoon bunnies.
• In The Colour Out of Space, a meteorite containing a substance of a colour and an element unknown to man lands by the well of a farmhouse and is analysed shortly before it simply disappears. The laboratory's sample, too, vanishes. Then, later... all about the well the grass wilts, and dies. All about it the plants wither, and crumble to dust... but not before deforming, mutating, and taking on the colour. The farm animals, too, become sickly and die and even the family living there is affected as they start seeing things and slowly descend into madness as they waste away... and at night they swear they can see flashes of something, the colour, moving in and about the well like mist, or fog... and then, when they are all dead and/or gone, almost all the colour draws itself out of the farm and its environs and flashes skywards in a series of pulses... some comfort considering that the entire valley, well included, is about to be flooded to make a drinking-water reservoir. Whether the colour is sentient or even alive at all is never established.'
• The Divine Comedy: Many of the souls in Hell change in some way, often to physically represent what their souls experienced on Earth because of their sins.
• In Dread Companion, eating the food of the land changes you.
• An Elegy for the Still-living: The entire story takes place in one of these, though it is most obvious in the second chapter. Francis creates a world from his own beliefs, and it in turn changes what he believes.
• The minor Philip K. Dick novel Eye in the Sky has this to some degree for all the worlds visited. "Justified" because these worlds are all inside people's minds, based on their own strong/crazy worldviews.
• The eponymous neighbourhood from The Girl from the Miracles District modifies your magical aura over time so that after a while, you can't leave it without passing out and slipping into a coma.
• In "Honeysuckle Cottage", a short story by P. G. Wodehouse, the protagonist (a mystery writer) gets left the cottage his aunt (a romance writer) lived in for years. While trying to write his latest mystery, characters and events from his aunt's work start showing up in his. He is obliged to flee the place and give up a substantial inheritance.
• Several of the worlds visited in Marvin Kaye's The Incredible Umbrella act like this. After the main character has spent a certain amount of time in a Gilbert and Sullivan world he starts getting the urge to sing, and when he ends up in Flatland he becomes two-dimensional.
• The Martian Chronicles: In the story "Dark They Were, and Golden-Eyed", human colonists on Mars are slowly converted into Martians. External changes are subtle (see the title), but the personalities are completely rewritten, and they completely forget their human pasts.
• In Pact, the Drains are this. A place for forgotten people and things who have fallen through the cracks of society and the world, it twists and warps its inhabitants in order to turn them into Bogeymen, Emotion Eater supernaturals who rely on inspiring fear in others to avoid going back.
• In the dystopian novel The Other Side of the Island, Honor slowly forgets the time when she lived up north.
• The Lotus Casino from Percy Jackson and the Olympians acts like this, causing people to get trapped by too much pleasure, sometimes for years.
• In Peter Pan, Neverland makes you forget.
• In Piranesi, the mansion turns out to be a parallel universe and staying there for too long causes you to forget everything about your life before you came there.
• There's a canon example in Quag Keep and the sequel Return to Quag Keep by Andre Norton - a group of humans are brought in to the world of Dungeons & Dragons, but in the form of their player characters. As a result, one becomes an elf and another a lizardman.
• In Well World, where transformation into another species is the price of entry.

Live-Action TV

• In Babylon 5, it is said a few times that no one leaves Z'ha'dum the same person as when they came.
• Cheers: It's suggested, usually for laughs, that Cheers itself has this effect on people, and once they're in, they can't leave easily. Carla certainly believes it, but she's highly superstitious to begin with. That said, at one point a depressed Rebecca sits on Norm's barstool and declares she never wants to get up ever again, leading Norm to wonder if his tendency to sit there all day every day is the barstool's work.
• Doctor Who:
  • Simply traveling through time affects how you experience events, allowing, in some cases, a person to continue to remember people, objects, and events which have been erased in time.
  • The serial "Survival" has the planet of the Cheetah people, which gradually turns you into a werecat the longer you stay.
  • In "Asylum of the Daleks", there is a Dalek Prison planet orbiting Skaro, which has some sort of nanobot-virus on the surface that turns anyone who comes in contact into a Dalek puppet.
• Parodied in Seinfeld. When Jerry and Kramer switch apartments, they unconsciously adopt each other's mannerisms.
• The Space Cases episode "Tie Me Kangaroo Down, Court" where the ship ends up in a parallel universe and everyone starts turning into Spung, the villainous lizard people of the series.
• In WandaVision any time something from the outside enters Westview, it will be changed into the closest analog in the setting, hence why the SWORD drone became a toy helicopter, Monica became "Geraldine" with decade-appropriate fashion, and Agent Franklin's containment suit became a beekeeper suit (complete with bees). His tether line becomes cut because the transition turns it into the end of a jump rope.

Mythology and Religion

• Fairyland, while sometimes just a version where you don't notice that time passes, sometimes makes you forget that you have a life to return to.
• This concept is central in Feng Shui (and geomancy in general). And you can alter your environment to make life better for you.

Tabletop Games

• This is how Arcadia works in Changeling: The Lost. Abducted humans find themselves forced into a role by the True Fae; similarly, the laws of physics in Arcadia have been thrown aside in favor of contract law, so they need to sign onto their masters' Contracts in order to survive. Both combine to physically twist the human into a new role — be it a loyal hound, a perfect lover, or a tree.
• This happens in Don't Rest Your Head to most of those who get lost in the Mad City. They slowly lose their real selves until all that's left is their profession. They will just start to work ceaselessly until something happens to kill them. The only people immune to this are the Awake, and even they occasionally submit to it willingly given the alternatives
• The Wyld in Exalted, home of The Fair Folk, has a stronger and stronger mutating effect on those who enter it the deeper in they travel. The Exalted are much more resistant to it than mere mortals are, however — and thanks to their tattoos, the Lunar Exalted are almost entirely immune.
• FAPP: Anybody who enters a world or an area that has been affected by the Fappening will become immortal, have their sex drive increased to ridiculous levels, and experience random and often gross physical mutations. The effects of the Fappening are permanent and spread wherever an infected person goes, so it also is crossed with The Virus.
• In Mage: The Ascension, people who spend too much time in the Umbra slowly turn into spirits, becoming warped caricatures of their former selves without any human nuance or capacity to change. This is what happened to the members of the Technocracy stranded by the Avatar Storm, who the Void Engineers call Threat Null.
• Planescape: The old AD&D cosmology (previous to 4th Edition) featured the Outer Planes of Elysium (pure Good) and the Gray Waste of Hades (pure Evil). A non-outsider on Elysium experiences increasing joy and satisfaction while there and finally has to make a will saving throw or fall under the control of the plane, becoming a petitioner of Elysium. In Hades, a non-outsider experiences increasing apathy and despair: colors become grayer and less vivid, sounds duller, and the risk of entrapping is the same as in Elysium (albeit less nice).
  • Not to mention how certain layers of the Abyss will change you into a bodak just for visiting them.
  • Other settings that don't use the standard cosmology may also include planes or regions with the "entrapping" trait of Elysium and Hades (like Dolurrh in Eberron).
  • One fan-created expansion of Arborea has the deeper layers of that plane progressively make a traveller younger the deeper they travel.
• "MagicTheGathering
  • judging by two of the arts shown in magic con San Diego 2024, Bloomburrow seems works like that, turning those who aren't anthropomorphic animals into them.
• Ravenloft:
  • Anyone from outside Darkon who stays for too long will have their memory altered to believe that they had always lived there, even to "adopting" random tombs as belonging to ancestors. Natives euphemistically refer to the phenomenon as "Finding one's roots".
  • Necropolis is blunter: enter, and you die and become one of the Undead residents.
  • Mordent is subtler than Necropolis, as you can live there just fine without being altered. Die there, and you'll be trapped as a ghost in the House on Gryphon Hill.
  • From "Expedition to Castle Ravenloft", Strahd has a connection to Barovia... literally. He gains supernatural powers on top of being a super-vampire from three fanes that makes him virtually impossible to kill.
  • The Ravenloft setting as a whole can have this effect on anyone who fails too many Dark Powers checks. Blow enough of them, and you may find it's you who's become the latest Darklord whose domain plays this trope on visitors.
• The TORG game has several parallel Earths invading "the real world", and each one has a tendency to warp the new inhabitants to the new rules of that domain. Player characters have the ability to resist this effect to some degree.
• The magical forest of Athel Loren from Warhammer is having this effect on the Wood Elves. As time goes by, they become and act more and more like trees (aggressive in summer, passive and torpid in winter) and develop a deeper and deeper connection to the forest spirits, although unlike most other examples here it's an incredibly slow (generations-long) process.
• A more nightmarish variation comes from Warhammer 40,000 (who else?) in the form of the Eye of Terror and certain Daemon-infested planets within, in particular the Planet of Sorcerers. The longer you stay on one of these Daemon worlds, the more mutated you become until you become a mewling, degenerate lump of writhing flesh. Ahriman of the Thousand Sons attempted to use his magic and try and save his troops from mutation. It, um, didn't work out too well. Evidence also suggests that the Eye of Terror may be similar to the The Cat Returns example above (just not involving cute Cat Girls). In the 4th edition Chaos codex, it mentions that the only thing keeping the Chaos Marines alive, (mostly) unchanged, and (relatively) sane is their sense of purpose and undying hatred for all things Imperial.
• Yu-Gi-Oh!
  • Zombie World turns all monsters on the field and graveyards into zombies
  • Lair of Darkness changes monsters on the field to DARK attribute.

Video Games

• In The ClueFinders 6th Grade Adventures: The Empire of the Plant People, one of the team members is captured and starts to turn into a sentient plant herself. This is stated to be the effect of her drinking the polluted water the plant-people are forced to drink; the game gets heavily into its Green Aesop near the end. Whether that implies that the plant people were all or even partially originally human is never adequately explored.
• Deltarune:
  • When they go into the Dark World, Kris and Susie turn blue and pink respectively, and their outfits change as well. They also gain weapons - Kris' pencil turns into a sword, and Susie gets an axe (though it's unknown what kind of item turned into that, if she had one in the first place).
  • Chapter 2 confirms that the Darkners are actually inanimate objects brought to life by the Dark Fountains; when Lancer and Rouxls Kaard go into your inventory, you'll find that they turn into a Jack of Spades playing card and a rules card respectively in the Light World. Most of this chapter takes place in a Dark World made from a computer lab, where the majority of its residents are based on virtual things such as pop-up adverts and art programs.
  • Additionally, when Noelle and Berdly end up in the Dark World, they both get different outfits, and Noelle's hair becomes lighter in colour.
• In Final Fantasy Tactics Advance The real world is transformed into a copy of Ivalice, unlike the other games in the Ivalice series which play it straight as a separate world entirely. Everyone is transformed into the various denizens, either human or becoming another race entirely, or even Monsters. Their memories and personalities are rewritten. Except for the four main characters who made the wish. Even Cid, despite eventually fully believing what is going on, still doesn't remember his other life.
• In the Kingdom Hearts series, Sora, Donald, and Goofy (and, later on, Riku) may magically transform into bodies more "appropriate" to the world they are visiting. Justified in Space Paranoids and The Grid, however, because it's well known from the films that digitizing people makes them neat and glowy. Technically averted in most cases, as the characters are transforming themselves to blend in. First through Donald's magic, and later with Sora's new clothes. Timeless River seems to play it straight for the heroes, though for some reason modern-day Pete is unaffected.
  • Confirmed worlds include:
    • Halloween Town: Sora becomes a Perky Goth with an orange Eyepatch of Power, looking somewhat similar to a vampire, Donald becomes a Mummy, and Goofy becomes a construct. In the Final Mix version for Kingdom Hearts II, Christmas Town has its own set, where Sora becomes a (still gothic) Badass Santa, Donald becomes a Snowlem, and Goofy has reindeer antennae. In the PS2 remake of Chain of Memories, while Riku and Mickey don't change attire, their models are given a slight change in shading and texturing to better match the environment.
    • Atlantica: Sora becomes a dolphin-themed merman. Donald becomes half-duck, half cecaelia like Ursula (which is lampshaded in the manga adaptation). Goofy becomes a sea turtle. However, the Atlantica in Chain of Memories is a fake copy created within Castle Oblivion, which removes the need to change form.
    • Timeless River: Donald and Goofy are as they appeared in the 1930s cartoons. Sora's appearance is based on his original attire, but with a style that pays homage to Osamu Tezuka.
    • The Pride Lands: Sora becomes a brown lion cub. Donald is a less anthropomorphic bird who can actually fly. Goofy becomes a yellow tortoise. Pete takes on the form of a lion in this world, as well.
    • Space Paranoids and The Grid: All three party members and Riku wear armor, with a grey and cyan theme for the first, and a black theme for the second. Only Sora visits both worlds.
    • Toy Box: Sora, Donald, and Goofy become Verum Rex action figures with their appearances based on their normal forms. Sora becomes a Yozora action figure, while Donald and Goofy resemble Yozora's teammates.
    • Monstropolis: Sora takes on the appearance of a grey werecat. Donald and Goofy remain their species, but now become blue and green, respectively, and Donald ends up a Cyclops (which is lampshaded by Boo).
    • Port Royal/The Caribbean: In Kingdom Hearts II, the trio spends their first two visits to Port Royal unchanged, making their cartoony appearances clash hard with the photorealistic world. However, in Kingdom Hearts III, they're not only decked in pirate attire, but their character models take on a more realistic texture so they don't stand out as much.
    • San Fransokyo: In a downplayed example, the trio retains their usual looks, although Sora wears a AR visor given to him by Hiro that even shows up on his HUD.
    • In the world of unreality, including the city of Quadratum, Sora still remains as is, but his character model does get more realistic textures.
• The Legend of Zelda :
  • The Dark World in The Legend of Zelda: A Link to the Past turns anyone who enters it (without the Moon Pearl, that is) into a form that reflects their soul: Two notable examples are Ganon, who is turned into a boar, and Link, who is turned into a little pink bunny who can't use any of his items except the Magic Mirror (which allows him to return to the Light World). In the Nintendo Power comic of A Link to the Past however, Link turns into a werewolf instead of a pink bunny. The in-game bunny is considerably more harmless.
  • The Twilight that covers Hyrule in The Legend of Zelda: Twilight Princess functions similarly (creating a slightly different and eviler version of the Light World) but rather than reflecting their personalities, it causes the people of Hyrule to become spirits that are unable to interact with Link. Link, however, turns into a wolf, because he is the hero foretold by prophecy to save Hyrule and become a "blue-eyed beast," rather than a spirit when exposed to the Twilight.
  • In The Legend of Zelda: Ocarina of Time, you can have a conversation with a Kokiri which implies that anyone who spends too long in The Lost Woods is transformed into a Stalfos. Because Link is seen at the beginning of Majora's Mask to have ventured into the deep Woods in search of Navi, there are many players who have theorized that the entire game is in reality Link's Dying Dream as he works through the Five Stages of Grief while transforming into a Stalfos. This would seem to be supported by his appearance of this incarnation as a sort of elite Stalfos in Twilight Princess; however, Word of God states the Link of Twilight Princess is a direct blood-related descendant of the Link from Ocarina of Time, and that the "Hero's Shade" is actually a manifestation of Ocarina of Time Link's lingering regret that no one in this timeline's Hyrule would ever know of his heroic deeds, rather than being Ocarina of Time Link himself. Both of these facts pretty much joss this theory.
• In Mass Effect, the Reapers will gradually Mind Rape anyone who spends too long inside of one into a loyal worshipper. The second game reveals that a Reaper corpse that has been dead for over 37 million years is still capable of indoctrinating people.
• In Portal Runner, Vikki's outfit changes with each world she traverses, from her default green army fatigues to a zebra-hide skirt and bikini in the Dinosaur world, to a silver-green jumpsuit in the Space world.
• In Shadow Man, everyone who dies becomes a sort of mindless zombie in the afterlife. Only the titular protagonist is exempt, because of the power of the Mask of Shadows. This makes his primary goal of finding the soul of his little brother seem a trifle futile. As, in the end, it turns out to be.
• Silent Hill and its inhabitants change to reflect the inner turmoil of the protagonist. Which would make it the Life Link kind, with hints of Physical Warping: the protagonists get randomly teleported into different dimensions or locations and may have their clothes changed. The protagonist Murphy Pendleton of Silent Hill: Downpour gets turned into a Humanoid Abomination monster, and back again, during the course of the story.

Visual Novels

• Aoi Shiro has the eponymous Blue Castle, a place of chaos (similar to the aforementioned Eye of Terror) that will warp your mind and body.

Web Comics

• The worlds of City of Reality do this courtesy of their different Auras, which define each world's physics. The Aura Stone of a given world carries that world's Aura within it, and can affect someone from a different world regardless of location. For example, an element exclusive to Reality turns to water and poor Hawk (an insect "dragon") turns into a blind human^note since he grew up with insect-type multifaceted eyes, his brain isn't trained to handle the signal from human eyes — at most he could possibly perceive whether it's light or dark when exposed to Magic World's Aura.
• Parson Gotti of Erfworld finds himself subject to the first variant. For example, any profanity he tries to utter comes out as "boop". Later it turns out the spell that summoned him included a subtle Mind Control aspect that made him more ruthless. It also turns out that he can swear, as long as he gets good and angry first.
• In General Protection Fault, using the Mutex to visit parallel universes results in your appearance altering to fit that world. This is probably at least partly because the Mutex was originally intended as a Deep-Immersion Gaming system, and it treats parallel universes the same way it would Virtual Reality (where you would expect your "character" to fit the setting) and partly because the first universe they accessed this way that was that of Kevin & Kell (below), which works that way in any case.
• The Sanrio universe is this to Lovecraft's Elder Gods in Hello Cthulhu.
• In The Hero of Three Faces, visiting other fiction planes can have this effect; for example when the Doctor visits the world of Winnie the Pooh, and he and his companions are transformed into Living Toys.
• Hell in Judecca works this way. The longer you stay the more likely you are to transform into an ironic caricature of who you were when you were alive.
• Danielle Kendall of Kevin & Kell is turned from a human to an anthropomorphic rabbit when she crosses over into the dimension that consists only of anthropomorphic animals. It happens in reverse to Ralph and Martha much earlier in the strip. Ms. Aura and her child went from Vulture to Dolphin and eventually to human.

Web Original

• Due to its Genre Roulette nature, the Book in The Book of Stories OCT can change the setting and archetypes inside on a whim. It's implied in some entries that the Book might start to affect some of the contestants as well in this manner.
• Hell and Heaven are this in Helluva Boss and Hazbin Hotel. People who die and go to these places take on a demonic or angelic form determined partly by their actions in life. According to the creator, this applies to native-born angels and demons as well, such as Lucifer, a fallen angel with who appears demonic in Hell. Earth isn't like this, however, and angels and demons need to wear disguises to blend-in.
• If you walk into the valley of Metamor Keep, if you stay for about a week or so, you'll start changing into an animal, get younger, or gender-swap.
• The SCP Foundation has a few of these.
  • SCP-2264, the extra dimensional city of Alagada causes anything you try to bring with you to disappear until you leave, including your clothing, and dresses you in a fancy costume that disappears when you leave. The costumes can be removed except for the masks, which are impossible to remove. Additionally, the city drains away all colors except for white, black, yellow, red, and combinations of the four, and causes you to feel like you are in a dream. The dream-like feeling can cause visitors to forget what they are doing there and join the never-ending orgies throughout the city.
  • Another anomaly that is connected to Alagada is SCP-6034 a battlefield where everything is grey, sounds are distorted, most people lose the ability to speak, and any technology brought in is replaced with a World War II equivalent, making it feel like you are in an old movie.
  • The Garden of Eden, or at least one of the places that could be Eden, turns any human that enters into a Talking Animal. It also alters animals that enter it so they gain the physical capability of speech but does not make them any smarter or teach them how to speak.
• Sky Does Minecraft: Klüb IcE (first appearing here) is one of these. Whenever they're inside of it, Sky and their friends become Ambiguously Gay, vaguely Eastern-European enthusiasts of the titular club (with a healthy dose of Corpsing); when they escape, they regain their normal personalities and speech mannerisms.
• So This Is Basically... parodied the Kingdom Hearts examples above with a fake cutscene taking place in a "Rainbow Connection" world; Sora looks like a traditional Muppet, Donald is a sock puppet, and Goofy is a paper bag puppet.

Western Animation

• Adventure Time's "Elements" mini-series turned the land of Ooo into four separate elemental regions, each capable of changing characters into corresponding elemental versions of themselves if they gave in to their dominant emotions.
• Big City Greens: In "Bad Influencer", social media star Itchaboi is known for influencing his viewers into becoming obnoxious and only caring about spending money to be "mirabulous", and calling anyone who dislikes him a "hater". The longer one spends time with him, the more obnoxious they get.
• In Centaurworld, Horse is introduced as an ordinary horse with a detailed and Disneyesque design. After she gets transported to Centaurworld, she gains human intelligence and speech, and her appearance gradually changes to match Centaurworld's cartoony Thin-Line Animation style the longer she stays there.
  • Word of God says that Centaurworld can only change someone as much as they let it change them, which means Horse's changes came about because she found herself not terribly minding Centaurworld. In Season 2, "Stabby" transforms from a serious-looking reptile monster man into an adorable, 2-foot-tall lizard person after finding happiness in his place as Durpleton's adopted son, and in the finale, Rider's shown to also have her transformation starting, with her formerly brunette hair turning magenta and becoming poofier. On the other side of the coin, the mysterious Old Woman has lived in Centaurworld for decades, but has no signs of having changed whatsoever because of stoically rejecting its silliness (save for her purple hair, which is a holdover from happier days before she became so bitter and cynical). And the Nowhere King was originally a native of Centaurworld but he always had a less cartoony style even before he split himself in two and was warped into a monster, which is likely because he never fit in among centaurs.
  • Horse temporary returns back to her original form when she is inside of the Nowhere King's mind.
• My Little Pony:
  • In the My Little Pony: Equestria Girls series, travel between the human and pony worlds converts travellers from one to the other and back again, regardless of which world they originally came from. Spike the dragon gets to become his local equivalent, a dog.
  • My Little Pony: Make Your Mark: In "Secret of Starlight", the Mane Cast gains sparkly hooves upon entering Starlight Ridge, like the native Auroricorns.
• In The Grim Adventures of Billy & Mandy episode "The Prank Call of Cthulhu", Billy and Irwin become more and more monstrous the more they eat or make prank calls in Cthulhu's realm. Billy's lips curled up and his nose became the back end of a cephalopod (that spawns screeching, flying babies) while Irwin became an unintelligible mish-mashed star spawn.
• Littlest Pet Shop (2012):
  • In the b-plot of "Penny For Your Laughs", Blythe spends so much time with the Biskit Twins that she starts acting like them, down to their spoiled, rotten behavior and "like" vocabulary. It even helps that their father's name is Fisher.
  • In "Terriers and Tiaras", Blythe is so focused on beating Judi-Jo that she goes full Stage Mom, to the point of speaking in her Southern accent and restyling her hair.
• In Ozzy & Drix, Ozzy starts to become a girl and turn pink when he goes inside a girl's body. He still kept his beard for some reason though.
• Both Trapped in TV Land episodes of The Fairly OddParents!.
• As well as parts of the similar "Road to the Multiverse" episode of Family Guy.
• Peter Pan & the Pirates: Peter Pan is Neverland, and Neverland is Peter Pan. See film entry for Hook, above.
• This is the entire premise of Penn Zero: Part-Time Hero, as the main characters travel to a new universe each episode and shape-shift to match the new locations.
• A weird variant in SpongeBob SquarePants: everything underwater is rendered in cartoon form, while mostly everything on the surface is done with live-action. In some episodes, SpongeBob and co. venture ashore; turning into puppets while on land in "Pressure" and photo puppetry a la Wonder Pets! and MAD in "Rodeo Daze".
• In the Steven Universe/Uncle Grandpa crossover "Say Uncle", when Uncle Grandpa takes Steven to the UG-RV, Steven is drawn in the former's style.

Real Life

• There are studies on how environment affects the mood of people. Forests are good, while cities put quite a lot of stress on a person. Especially modern cities — it seems the chaotic structure of medieval buildings in old city centres is less detrimental than the unnatural orderliness of really modern city parts. Of course, this effect is so weak that most people don't really notice it. Several studies (for instance, this one) seem to indicate that living in/near gardens, parks, forests, etc. may improve physical as well as mental health and may even help you live longer. Even just a daily stroll in an ordinary city park could make a difference.
• Places with high radioactive contamination exists in the world, with unpleasant mental and physical effects.
• Jerusalem is known to affect susceptible visitors on a regular basis. Details on the other wiki. Also mentions of similar observations in other places.
• Danbury, Connecticut, also known as "The Hat City", produced hats using a method involving mercury leading to mercury poisoning in many of the workers and city folk involved. Fun fact, this led to Lewis Carroll's inspiration for a certain hat-wearing character himself.
• It is well known that The Internet changes people's behavior. Either it makes people sound smarter, makes them sound dumber, makes them sound hilarious to be around, or makes them into complete jerks.
• The way a country is run, sometimes exclusively because of its leader such as in a dictatorship, can affect the people living there as well, for better or worse: in a state with abundant resources because of excellent management, the people will usually be in better health and more accepting of outsiders, whereas in poorly-run countries there might be mass famines and disease because no one has easy access to food and medicine.
• In the days of leaded gasoline, living in particularly smoggy places such as Los Angeles had some actual behavioral effects as the chronic exposure to lead could lead to increased aggression and memory loss.
• Places, towns, and cities with consistent, unbroken overcast skies, like Seattle, Washington and Portland, Oregon in the United States of America and London in The United Kingdom, for long stretches of the year can lead to people being more brain-fogged, especially if they have "seasonal affective disorder" and aren't used to living in such places.

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