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Swap Teleportation

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A Teleportation Sub-Trope which removes the possibility of Tele-Frag by making it impossible to be merged with an object.

The way the teleport works, is that two volumes are selected, and then the contents of those areas are swapped. Hence the name, Swap Teleportation.

It also avoids creating a vacuum when the teleportation happens in atmosphere, also avoiding any issues with The Air Not There.

This has been used a few times as a Switch-Out Move.

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Supertrope to Ninja Log, often called a "substitution technique".


Examples:

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    Anime & Manga 
  • Brynhildr in the Darkness: Kotori has the ability to swap places with another person in her field of view and is able to cancel kinetic energy with the teleportation as well. She can only uses it once per day before her Harness immediately hanging up. Despite the limitation of the ability, it proves to be vital when used strategically.
  • A Contractor in the first episode of Darker Than Black switches places of two volumes nearby of his choosing, one of which could be himself. Arriving mostly inside a stone wall wasn't any trouble for him. He can even Portal Cut people's vital organs out.
  • In Hunter × Hunter, this is the basis of Goreinu's abilities. He can summon two gorillas, a black one and a white one, both of whom can move about on their own. Goreinu can instantly switch locations with the black gorilla; he can cause someone else to switch locations with the white one.
  • From Jujutsu Kaisen: Aoi Todo's signature move, Boogie-Woogie, is that. By clapping his hands, he can swap the locations of two things that have enough cursed energy in them (Humans, curses and some objects).
  • Naruto: The power Amenotejikara, achieves this by swapping the positions of any two objects in the user's field of vision.
  • One Piece: Among the many things Trafalgar Law can do with his Op-Op Fruit ability is to swap two objects' positions as long as they're both inside his "Room". He can also swap himself with another object or person.

    Comic Books 
  • Captain Mar-Vell: For a time, Captain Mar-Vell was trapped in the Negative Zone, and could only leave when Rick Jones struck together a pair of "Nega-Bands" he wore on his wrists, causing the two to switch places.
  • The preferred form of transportation in Spanner's Galaxy — but it can only be performed by swapping the position of sapient beings. This is known as castling, and it's considered polite to ask permission first.
  • Mr Mxyzptlk once banished Superman and Shazam to another universe but had to replace them with two locals. Unlucky for Mxy, one of them turned out to be Hippy The Marvel Bunny.

    Fan Works 
  • The Bridge: Gigan has the ability to teleport via a "warp drive", where he swaps position with an equal amount of volume at point B, resulting in a Gigan-sized and -shaped hunk of matter left behind.
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    Literature 
  • In Fine Structure, teleportation works by swapping two areas of space. The very first teleportation experiment results in Anne Poole being sealed in a coal seam. The consquences only get worse from there — later, four scientists are simultaneously killed. Finally, an entire building is teleported underground, and teleportation is excised from the fabric of the universe.
  • Interesting Times: Teleportation is an experimental and very dangerous spell. Since the Disc, and everyone on it, is constantly revolving around its axis, teleportation needs to account for the spin or otherwise the target ends up splattered on a wall or spread across the countryside. Therefore, it requires that the subject be swapped with a counterweight of similar weight to balance out the momentum of the trip. Exploited when Rincewind gets teleported away from the Big Bad, leaving in his place a small cannon with a lit fuse...
  • In Larry Niven's "transfer booth" stories, it is mentioned that the contents of the sending and receiving transfer booths are swapped, part of the generally rigorous exploration of transfer booth physics. However, this swapping behavior never becomes a plot point.
  • The Witling: Doing this to both themselves and other objects and people is one of the main Psychic Powers of the Azhiri, referred to as "renging". They exchange the material to be teleported with an equal volume of matter from the destination. The distance and direction in which things can be renged is apparently unlimited, but in practice, it's limited by the relative velocity of the departure and destination locations due to the rotation of the planet. Additionally, an Azhiri can only reng themselves to locations that they have either been to or seen. Most Azhiri can't seng (another of their powers, basically farsight) over very long distances, but the extremely Talented Guildsmen can seng almost anything and anywhere, which means they can effectively teleport themselves wherever they want. The ability to kill at a distance, "kenging", is Weaponized Teleportation of this trope: The attacker scrambles an enemy's guts or brains by swapping two equivalent volumes of organs or brain matter within the body, killing instantly but leaving no outward injuries.

    Live-Action TV 
  • Doctor Who: In "The Poison Sky", The Dragon Luke Rattigan pulls a Redemption Equals Death by switching places with the Doctor using one of these, taking his place in the Suicide Mission to stop the Sontarans. This is how he chooses to interpret the Doctor's parting instruction to "Do something clever with your life."
  • Stargate-verse: All based off Ancient technology:
    • The Goa'uld ring devices, which turn out to be appropriated Ancient tech like most of their stuff. They appear to be a set of five miniature stargates that descend or ascend around the objects to be transported and they swap place with whatever's at the other end:
      • Stargate: Portal Cut type Weaponized Teleportation of a section of someone's body: when Jack uses the rings to cut Anubis's head off, also saving Daniel and Sha're who are about to be tortured by Ra on the other end.
      • Stargate SG-1: They're used relatively frequently when the Goa'uld appear.
    • Stargate Atlantis: The city of Atlantis (and, presumably, all the other Ancient mobile cities of the same design) has its own internal teleportation system which lacks any kind of special effect except a descending light through stained-glass doors (which seems to imply that they are merely a redesigned ring platform), that seems to function like this. If both platforms being used are occupied, anything on them simply swap places. Presumably, if a platform is empty, it works the same way, just unnoticeably.
  • In the Star Trek: Voyager episode "Displaced", the crew of Voyager are being swapped with aliens one by one. The aliens pretend they don't know what's going on, but this is actually their method of taking over a ship.

    Tabletop Games 
  • Dungeons & Dragons:
    • 3.5 Edition: The benign transposition spell swaps two nearby targets in the vicinity, who must be willing to be teleported, while the higher-level baleful transposition also affects unwilling targets. In exchange for those restrictions, they're available very early in the Class and Level System.
    • 5th Edition: Wizards who specialize in Conjuration gain a short-range teleport ability that can optionally be used to swap places with a willing target.
    • 1st Edition AD&D module I6 Ravenloft. In the area under Castle Ravenloft, there are a set of crypts holding undead monsters known as wights. Each time a Player Character passes through a teleport trap, they are transported into one of the crypts and a wight is teleported out of the crypt to take the Player Character's place. To anyone watching, it appears that the Player Character has turned into a wight.

    Video Games 
  • Dota 2: The Vengeful Spirit's ultimate ability, Nether Swap, exchanges her position with another hero within a certain range.
  • Get Amped: The accessory called "Teleport Ball" is a Teleport Gun slash Arm Cannon that shoots a ball of teleportation. If it hits an enemy, you will switch places with said enemy.
  • Ghost Trick: Missile's ghost trick allows them to swap any two objects regardless of size if their silhouettes have the same shape from the perspective of the game's static camera angle. This also swaps any momentum they may have had at the time of the swap, as demonstrated when they replace a bullet mid-flight with a yarn hat.
  • Heat Signature: "Swapper" is one of the three available portable teleporter types. Its basic function is to swap the current Player Character's position with that of another living character (usually a guard) on the current map and can be used to access otherwise inaccessible locations.
  • Heroes of the Storm:
    • Artanis' Phase Prism ability lets him switch positions with the first enemy hero it contacts.
    • Samuro can use Image Transmission to swap places with one of his Mirror Images, combining this with a Ninja Log.
  • Into the Breach: Multiple:
    • The Flame Behemoths team's science mech is Swap Mech, a small, fast flying unit that starts with the ability to swap places with any other unit within range but no direct damage of its own. It's one of the most versatile positioning abilities in the game, whether extending the movement of allies or dropping enemy Vek into open water.
    • Teleport pads on Detritus's company island will swap two targets occupying connected pads.
  • The Legend of Zelda: Oracle of Ages: The Switch Hook (and its upgraded version, the Long Hook) use this principle for a Teleport Gun with a Grappling-Hook Pistol aesthetic, allowing Link to fire it at loose objects like enemies or clay pots and instantly swap positions with them.
  • Mortal Kombat vs. DC Universe: The Flash and Scorpion switched places as the convergence begun. While Batman understood that it was a teleportation event, Liu Kang mistook Flash for Shang Tsung.
  • The main puzzle-mechanic of Obduction is the use of "swappers": devices that can switch spherical chunks of landscape, occupants and all, between one location and another. As your character is far from the first to have used this mechanic, the landscape of the four settings you can swap between is already a Patchwork Map of round bits from the other three, as well as swapped chunks of the settings' respective worlds of origin.
  • Outer Wilds: The quantum rocks can do this with any sort of object under their influence like trees and monuments, but only when you look away from them. They can even take the place of another object temporarily, teleporting it to another location.
  • Pokémon: The move Ally Switch, introduced in Generation 5, allows the user to swap places with its partner in a Double Battle. It being a Psychic type move implies teleportation is involved.
  • Rocket League: One of the power-ups in Rumble Mode will swap your car with an opponent's car. You two will also swap position, direction, velocity, and orientation. Have fun.
  • In Sonic the Hedgehog 2, one of the items in the monitors in the 2-Player mode is a teleportation power-up. When hit, Sonic and Tails switch places. There's an option in the Options menu that lets you decide whether or not you want every monitor in this mode to have teleportation power-ups inside them.
  • Warframe: Loki's Switch Teleport lets him switch places with a target, be it an ally or an enemy.
  • X Com 2: War of the Chosen: The Templar is a Psionic Magic Knight with two abilities that can do this; Invert allows them to switch places with an enemy, and Exchange lets them switch places with one of their squadmates.

    Web Comics 
  • Starslip: The titular drive system works by swapping the ship and its contents with a counterpart in another universe that's already at the destination. The issues become quickly apparent.
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    Web Original 
  • Worm: Trickster can swap-teleport himself or anything within the range of his senses with any other person or object within the range of his senses. The closer the two people/objects are in shape/size/volume, the easier and faster he can do it.

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