Line #52 Main/ExtradimensionalPowerSource


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7	->''"We harness energy drawn from other dimensions of the multiverse, to cast spells, conjure shields and weapons... to make magic."''
8	-->-- '''The Ancient One''', ''Film/DoctorStrange2016''
9
10	The laws of thermodynamics and conservation of mass prove there's a finite amount of energy in this universe. It can never be created or destroyed, but just change form. Of course, [[LoopholeAbuse there ain't no rule that says you can't bring in energy from somewhere else]] to solve your needs. Enter the extradimensional power source, which is ExactlyWhatItSaysOnTheTin: utilizing the energy from another reality for whatever purpose one might have in mind for it.
11
12	Depending on the work, the extradimensional energy can be of magical, technological, cosmic, or even quantic nature. The latter often happens in sci-fi works because otherwordly particles are convenient AppliedPhlebotinum. Using energy from another world frequently has unforeseen consequences, because of how it may interact with a different world. At worst, that other world may be populated, and sucking the energy out of it is killing them.
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14	If there is NoConservationOfEnergy in a work, this trope is the most likely reason. Contrast BackgroundMagicField, which is when the power comes from the same dimension as the user.
15	----
16
17	!!Examples:
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19	[[foldercontrol]]
20
21	[[folder:Anime and Manga]]
22	* ''Manga/BlackParadox'': The titular Black Paradox is a group of people who agree to commit suicide together, but in doing so discover a gateway to a parallel universe that disgorges jewels that serve as a great power source. It turns out this alternate universe is actually the afterlife, and the jewels are human souls.
23	* ''Manga/DeliciousInDungeon'': The basis of [[TheDarkArts Forbidden Magic]] is to draw power from a separate universe that holds infinite energy, bypassing the normal limits of {{Mana}} use. The dungeon is also said to be created with similar magic. [[spoiler:Turns out that there's a good reason such magic is forbidden: that other universe is a sentient, malevolent GeniusLoci that the first dungeons were built to contain.]]
24	* The plot of ''Manga/DimensionW'' is driven by devices called coils which draw upon energy from the titular dimension. This dimension has other unique properties that become problematic when overlapping with Earth's because illegal coils grow unstable drawing upon more power.
25	* In ''Anime/FullmetalAlchemist2003'', it's revealed that the energy source for all alchemical reactions is [[spoiler:the souls of those who died in an AlternateUniverse. Specifically, ''our'' universe]].
26	* In ''Anime/FutureRobotDaltanious'', there is the hilariously named "Sigma Energy" that powers the titular HumongousMecha into using a wide array of attacks, one of which is the "Sigma Beam". In later episodes, Daltanious would abandon this and instead use hyperspace energy, which was more powerful.
27	* ''Anime/{{Macross}}'': In the backstory, the [[{{Precursors}} Protoculture]] discovered an alternate dimension in which no apparent matter existed, only energy, and they hit upon using it as a nigh infinite power source. There was just one problem: [[spoiler:they didn't consider that an absence of matter doesn't necessarily imply an absence of life... intelligent life at that. Some of the energy they brought over was in fact [[EnergyBeings intelligent beings]], and these beings lashing out over being used as power started a chain of events that lead to the downfall of the Protoculture's entire civilization]].
28	[[/folder]]
29
30	[[folder:Comic Books]]
31	* The backstory of the ''ComicBook/TwoThousandAD'' series ''Detonator X'' has humanity finding a near infinite energy source in another dimension. Sadly, it's inhabited by gigantic dinosaurs who aren't happy about humans invading.
32	* Both Lord Sovereign and The Pale Rider of ''ComicBook/AstroCity'' derive their powers from the dark energy in the VoidBetweenTheWorlds. The more one uses their powers, the weaker the other becomes; this leads them to try and kill each other.
33	* ''ComicBook/TheAuthority'': The titular team's LivingShip is powered by a baby universe.
34	* ''Franchise/TheDCU'':
35	** ''ComicBook/TheFlash'': The Speed Force is an extradimensional energy field that exists outside space and time and grants all speedsters their abilities.
36	** ''ComicBook/TheShadeDCComics'': The Shade draws his CastingAShadow powers from a quasi-sentient realm called the Shadowlands.
37	* ''Franchise/MarvelUniverse'':
38	** When it's not directly explained in the comics, databooks usually HandWave NoConservationOfEnergy as characters tapping into an extradimensional source.
39	** In general, drawing upon extradimensional energy is one of the three sources of power for magical spells.
40	** The Pym Particles in ''ComicBook/AntMan'' and related comics enable {{Sizeshift\|er}}ing by transferring matter to a pocket dimension when shrinking, then transferring it back when growing. Played for dark humor in ''Bizarre Adventures'' when Black Goliath's size-changing is depicted as sucking innocent aliens into a singularity when he grows and spitting them back out as a melded blob when returning to normal.
41	** ''ComicBook/MsMarvel2016'': In issue #34, this is revealed to be how Kamala's powers work whenever she gains or loses mass when she shapeshifts. ''All Kamalas'' through time and space are connected to a nexus dimension that binds each other at a molecular level. Whenever she stretches or enlarges, she's essentially borrowing mass from some point in the past, future, or parallel present that she's shrunken herself.
42	** ''ComicBook/NewWarriors'': Speedball can summon a kinetic energy field from another dimension. During the "Time and Time Again" arc, Robbie is trapped in this dimension and finds that he can bend and manipulate it as an extension of himself.
43	** ''ComicBook/XMen'':
44	*** One of the explanations given out for [[Characters/MarvelComicsCyclops Cyclops]]' power is that his eyes are essentially a gateway to a non-Einsteinian dimension full of energy that translates as concussive force when entering this one. Or, as the fans would {{memetic\|Mutation}}ally summarize, "PUNCHES! FROM THE PUNCH DIMENSION!"
45	*** [[Characters/XMenMojoverse Spiral]] uses the energy of the dimensional crossroads known as "the Wildways" to power her spells.
46	* In ''ComicBook/{{PS238}}'', Victor von Fogg discovers a means of siphoning off energy from an alternate universe that he thinks is uninhabited, but which later turns out to be a non-metahuman universe disguised as a lifeless dimension where Zodon sent his parents.
47	* ''ComicBook/{{RASL}}'': The secret government experiments were all about drawing energy from other universes. Robert has to shut the projects down when he discovers that [[spoiler:those other universes are inhabited, and the energy drain actually kills people, rather horrifically]].
48	[[/folder]]
49
50	[[folder:Film]]
51	* In ''Film/DoctorStrange2016'', magic is powered by the energy of other realities with different laws of physics. This contrasts with the comics, in which the energy comes from beings from other dimensions.
52	[[/folder]]
53
54	[[folder:Literature]]
55	* ''Literature/TheCulture'' has developed the ability to draw from an "energy grid" that exists between universes, a functionally limitless power source. This allows them to power massive space stations and build ships that are both huge and fast, with none of their internal space devoted to fuel tanks.
56	* [[spoiler:Ringbuilder]] technology from ''Literature/TheExpanse'' works on this principle. It draws power from an older universe, using the conflict between our universe's physics and the older one to produce power akin to a turbine. [[spoiler:It wound up killing the Ringbuilders because [[EldritchAbomination some form of life]] exists in that universe and really didn't appreciate having a "splinter" of our reality in it drawing power away.]]
57	* In ''Literature/TheGodsThemselves'', human scientists create a device called the "electron pump", which can produce an infinite supply of energy by transferring matter from our universe to another universe (with different physical laws) and vice versa.
58	* ''Literature/HonorHarrington'': The [[ReactionlessDrive impeller drive]] produces what's called the "energy-siphon" effect, which draws power from adjacent {{Hyperspace}} bands to partially offset the energy cost of the drive. Nothing particularly noteworthy compared to the rest of the series' technology. The exception is when a ship is using a "Warshawski sail" configuration to travel along [[HyperspaceLanes grav waves]], which significantly increases the siphoning effect, making them popular interstellar highways for the discount they offer on fuel consumption.
59	* One of the novels in ''Literature/TheLaundryFiles'' discusses a being that uses other dimensions this way to maintain its own existence. It uses up ''all'' of the other dimension's energy, and attempts to do this to our world.
60	* ''Literature/ThePerfectRun'': Elixirs enable their users to harness energy drawn from other colour-coded higher dimensions, producing superpowers. This is how they can pull matter and energy seemingly from nowhere.
61	** Red powers are energy-based. Fire, electricity, and radiation are all Red powers. Transforming into an EnergyBeing is also a Red power.
62	** Yellow powers are concepts. Yellows have absurd powers like "being lucky" or "land ownership." Generally, a Yellow has complete supremacy over their specific concept.
63	** Orange powers grant control over inorganic matter. Glass control, transforming into a mobile statue, and transforming into a cloud of gas are all Orange powers.
64	** Green powers grant control over organic matter. Controlling plants is the most famous version, but controlling flesh and blood are also common, as is transforming into a monster.
65	** Blue powers are information-based. Telepathy, simulations, and instant [[MadScientist Genius intellect]] are all common Blue powers.
66	** Violet powers relate to space and time. Teleportation is a Violet power, as is Ryan's save point.
67	** White powers are meta powers, affecting other powers. The most prominent White can suppress other powers, and White technology is required to make the other colors work together.
68	** [[spoiler:Black is the color of pure paradox, with no rules. The Alchemist declared it too dangerous and did not make any Black elixirs]].
69	* While ''Literature/SpeakerForTheDead'' doesn't have FasterThanLightTravel, ships can still move at tremendous speeds due to the energy they siphon from another universe. Ender is a little disturbed by the situation.
70	* In ''Literature/StarCarrier'', interstellar ships are powered by zero-point energy field manipulation, in other words pulling power from pocket universes.
71	* In ''Literature/TheStormlightArchive'', the titular Stormlight, which powers magic and fills gems with light, is brought into the physical world when a Highstorm causes the Physical, Cognitive, and Spiritual planes to intersect, thus allowing energy to flow from one to another. In ''Literature/{{Oathbringer}}'', [[spoiler:Dalinar gains the ability to open a perpendicularity (essentially a portal) between realms that lets Stormlight in to recharge the powers of his allies]].
72	* In ''Literature/TheWheelOfTime'' history, researchers in the Age of Legends identified an infinite extradimensional energy source that could power a new form of Channeling, the setting's FunctionalMagic. Unfortunately, the power source is the GodOfEvil, and creating a hole into its [[LeakingCanOfEvil prison outside Creation]] ends very poorly for everyone.
73	[[/folder]]
74
75	[[folder:Live-Action TV]]
76	* In ''Series/BabylonFive'', Vorlon and Shadow ships tap directly into hyperspace for power. When the Interstellar Alliance builds two destroyers with a Vorlon WaveMotionGun, the power requirements, which would be nothing for a Vorlon ship, are significant enough that everything else on the destroyer powers down for a full minute. This can cause problems if the shot from the main cannon doesn't vaporize the target.
77	* ''Series/DoctorWho'':
78	** The two-parter "[[Recap/DoctorWhoS28E12ArmyOfGhosts Army of Ghosts]]" and "[[Recap/DoctorWhoS28E13Doomsday Doomsday]]" has Torchwood attempt to harness the energy of an opening in the fabric of spacetime 600 feet above London. They believe that this will make Britain truly independent. As a consequence, the ghosts start coming through...
79	** The interior of the TARDIS exists within another dimension. "[[Recap/DoctorWhoS34E9Flatline Flatline]]" features the [[EldritchAbomination two-dimensional]] Boneless, who keep leaching the TARDIS's dimensional energy and causing the BiggerOnTheInside part to seep away and by extension the exterior to shrink.
80	* ''Franchise/StargateVerse'':
81	** In the ''Series/StargateSG1'' episode "[[Recap/StargateSG1S10E13TheRoadNotTaken The Road Not Taken]]", an AlternateUniverse version of Samantha Carter was attempting to draw power from alternate realities. An accident during a test killed her and transported the prime universe version of Carter into that one.
82	** ''Series/StargateAtlantis'':
83	*** Zero-Point Modules draw zero-point energy from a pocket dimension in subspace, albeit one small enough that the Expedition has a habit of depleting [=ZPMs=] shortly after finding them. The Ancients tried a reactor that drew energy from this universe but exotic particles killed everyone on the planet, and when [=McKay=] tried to "fix" it he blew up a solar system by accident -- well, [[InsistentTerminology five sixths]] of a solar system.
84	*** The episode "[[Recap/StargateAtlantisS03E08McKayAndMrsMiller McKay and Mrs. Miller]]" has an [[InvertedTrope inversion]] -- the team attempts to create a stable version of the reactor by venting its exotic particles into a parallel universe, under the logic that it has only a MillionToOneChance of being inhabited. Naturally, an alternate version of Dr. [=McKay=] soon shows up, who politely asks his counterpart to stop destroying his universe.
85	* In ''Series/StarTrekDiscovery'', the flagship of [[TheEmpire the Terran Empire]], the ISS ''Charon'', has a reactor that draws power from the mycelial network and looks like a miniature sun floating in a cavity in the middle of the ship. Unfortunately, it's also killing the mycelium and threatens to end all life in TheMultiverse. Apparently, it was designed by the MirrorUniverse Stamets. Prime Stamets is understandably upset at what his double has done. [[spoiler:Blowing up the Imperial flagship reverses the damage and allows the ''Discovery'' to ride the shockwave back to the Prime universe.]]
86	* In ''Series/Supergirl2015'', Mr. Mxyzptlk is an imp from the Fifth Dimension, which is pretty much just reality-warping energy in the form of another dimension. On Earth, he can connect to his home to use this energy to power what looks like magic.
87	[[/folder]]
88
89	[[folder:Tabletop Games]]
90	* Early editions of ''Advanced TabletopGame/DungeonsAndDragons'' feature this:
91	** Magic-users and clerics/priests draw the power to cast their spells from the Positive Material Plane, the Negative Material Plane or some other plane in the multiverse.
92	** Undead with the ability to drain character levels receive this power from the Negative Material Plane. One undead, the mummy, gets its power to cause disease from its connection with the Positive Material Plane.
93	* ''TabletopGame/{{Eberron}}'': Used extensively.
94	** [[EldritchLocation Manifest zones]] are locations where the planes bleed into Eberron. Manifest zones enhance corresponding magic when cast inside them. Sarlona, the continent where humanity originated, was ''full'' of manifest zones, so their magic revolved around them. When humanity left Sarlona for Khorvaire, they discovered that much of their magic was so reliant on the manifest zones that [[CripplingOverspecialization it simply wouldn't function without them]]. Manifest zones exist on Khorvaire, but they're too rare to base your civilization on them. Humans invented weaker, but more reliable magic to compensate.
95	** All undead are powered by negative energy from the plane of Mabar, the Eternal Night. The reason so many undead need to feed on living creatures is because they require this to maintain their connection to Mabar. Even if undead do not have to actively hunt the living, it is generally believed that their connection to Mabar damages the living world just by existing. If given no other instructions Mabaran undead will always default to hunting the living, even if they can't actually get anything out of it.
96	** The deathless are very similar to the undead, but they are powered by positive energy from Irian, the Eternal Day. Irian undead do not require stealing life energy to survive, but their connection to Irian is maintained by the [[GodsNeedPrayerBadly faith and devotion of their descendants]]. In fact, the Irian method came first, as a way to preserve heroes after death, but the house of Vol thought relying on good wishes was unreliable. They designed Mabaran undead to be able to ''take'' what they needed.
97	** Sharn, one of the most famous cities in the world, keeps its famous towers aloft by use of a manifest zone to Syrania, the Azure Sky. The proximity to Syrania makes possible the large-scale spells necessary to keep its towers standing.
98	* In ''TabletopGame/HcSvntDracones'', Transcendent implants blur the lines between universes to telekinetically move objects, phase through walls, start fires, or summon small {{Eldritch Abomination}}s. However, the further the user reaches (measured in [[http://cuiltheory.wikidot.com/philosophy-of-cuil Cuil]]), the less likely they are to [[RealityWarpingIsNotAToy survive]].
99	* ''TabletopGame/Warhammer40000'' has the Warp, or Immaterium, which is a realm shaped by the thoughts, emotions, and mental aspects of all life within the material world and is not governed by the laws of physics we know. In a similar fashion, Psykers can draw power from this realm to fuel their abilities and shape the material world. Unfortunately, the Warp is overflowing with [[OurDemonsAreDifferent daemons]] and other horrifying entities, and utilizing psychic abilities is often enough to attract their attention.
100	[[/folder]]
101
102	[[folder:Video Games]]
103	* ''VideoGame/DivinityOriginalSinII'': Long-ago {{Precursors}} detected a vast reserve of [[SoulPower Source magic]] outside the physical universe and tapped it to [[spoiler:[[DeityOfHumanOrigin become the Seven Gods]]]]. Unfortunately for the world, that reserve was a barrier against [[PowerOfTheVoid the Void]], and its weakening caused all [[BlackMagic Sourcery to become tainted]].
104	* ''VideoGame/Doom2016'': Mankind was facing an energy crisis and found an energy source in syphoning energy from {{Hell}}. Extracting this "Argent energy" is fraught with health risks, [[note]]One scientist developed a brain tumour and devoted himself to studying BrainUploading to escape death, which worked. Another developed debilitating scoliosis and developed an exoskeleton to remedy this, which put her in perpetual pain, but functional[[/note]] but using it once extracted and purified is perfectly safe. Of course, beyond the health risks is the fact that you've opened a HellGate to siphon it, and demons can and will pour through every so often. The plot is kickstarted by one of these demons offering one of the top scientists a [[DealWithTheDevil deal with the literal devil]].
105	* The Fade in ''Franchise/DragonAge'' is the source of magic in the world of Thedas. It's a metaphysical realm where the spirits of the dead go and that most can fleetingly enter when sleeping, but only Mages can remain fully conscious when they visit. Unfortunately, the use of magic can make Mages targets for the demons that reside in the Fade.
106	* The bad guys' plan in ''VideoGame/DreamfallTheLongestJourney'' and ''VideoGame/DreamfallChapters'' involve stealing the dreams from a parallel world in order to power-up [[spoiler:the Undreaming, a primeval force of destruction, in order to tear down the Divide between Stark and Arcadia]].
107	* ''VideoGame/XenobladeChronicles'': The Conduit was an artifact beyond comprehension, a doorway to other dimensions and [[PerpetualMotionMachine infinite energy]]. Three incredibly advanced AI cores had to work together just to touch on its power, which created vast fleets of robots but was barely scratching the surface of its capabilities. In ''VideoGame/XenobladeChronicles1'', [[spoiler:Alvis gives Shulk the power of the Conduit briefly to defeat Zanza and expand his world from a dying pocket dimension to a real universe]]. In ''VideoGame/XenobladeChronicles2'', [[spoiler:the Architect explains that what people now know as the Aegises were once the three cores of the Trinity Processor. With Pyra/Mythra achieving their Pneuma form, they can give Rex full access to the Conduit, and they use it to defeat Malos and save the world. This happens at the same time as ''1'', and the Conduit disappears soon after, having apparently decided that its task is done]]. In ''VideoGame/XenobladeChronicles3: [[VideoGame/XenobladeChronicles3FutureRedeemed Future Redeemed]]'', [[spoiler:a simulation of the past namedrops characters from ''Xenogears'' and ''Xenosaga'' (see below), implying that the Conduit was always some form of the Zohar, and the experiment that split the universe was done at least partially in response to people like Yuri trying to steal it.]]
108	* In ''VideoGame/{{Xenogears}}'', there is an entity/dimension known as the Wave Existence, which is a higher plane of reality of basically limitless power. It is essentially {{God}}, but somehow wound up trapped in a monolith called the Zohar. By proximity or usage of the Zohar, one has source to an endless abundance of energy.
109	* In ''VideoGame/{{Xenosaga}}'', the Upper Domain is a higher dimension filled with energy derived from the collective consciousness. In this game, there is the Original Zohar, which is described as a direct door to the U-DO, with access to limitless power and energy, and then there are the Zohar Emulators, which attempt to use the same "wavelength" as the Zohar but with many more imperfections and thus (while still powerful) pale in comparison to the Original.
110	[[/folder]]
111
112	[[folder:Visual Novels]]
113	* ''VisualNovel/HeroChoices'': Businessman and scientist Silas Prescott finds a crystal which made the Prism Gate, which connects to another dimension. Power is extracted from this dimension and can power things as well as give people superpowers!
114	* ''Franchise/{{Nasuverse}}'':
115	** Recurring character [[TheArchmage Kischur Zelretch Schweinorg]] wields the Second True Magic, "Kaleidoscope", which has the power to [[DimensionalTraveler connect parallel worlds]]. He pulls this off with some of his creations:
116	** Zelretch's signature weapon, the [[AmplifierArtifact Jewel Sword of Zelretch]], uses tiny dimensional portals to provide its wielder with a limitless supply of {{Mana}}. The sword first appears in the BackStory of ''VisualNovel/{{Tsukihime}}'', where he uses it to stop [[ColonyDrop an illusory moon from crashing into Earth]], and later a replica of it serves as an EleventhHourSuperpower for Rin in the Heaven's Feel route of ''VisualNovel/FateStayNight.''
117	** ''VisualNovel/FateHollowAtaraxia'' introduces another of his creations: the Kaleidostick, an EmpathicWeapon that can generate mana like the Jewel Sword, and also download skills from versions of its wielder in parallel universes. A pair of Kaleidosticks (minus the skill-download function) feature prominently in the AlternateUniverse spinoff ''Manga/FateKaleidLinerPrismaIllya.''
118	[[/folder]]
119
120	[[folder:Webcomics]]
121	* In ''Webcomic/ExterminatusNow'', lightsabers and the Inquisition's KillSat work by drawing energy from [[HyperspaceIsAScaryPlace the Warp]] (or, rather, the Kill Sat opens a pinprick-sized [[{{Hellgate}} warp-portal]] for a fraction of a second, releasing energy equivalent to a nuclear bomb).
122	* In ''Webcomic/{{Narbonic}}'', Mell sends back a video tape from a BadFuture explaining that physical time travel requires all the energy in the universe, so she destroyed hers by sending that one message back in time. It's a [[AxCrazy lifelong dream]]. [[spoiler:However, after that timeline is averted, Dave meets his and Helen's future daughter who says that they solved that problem by siphoning energy from [[ExpendableAlternateUniverse other universes that don't want to exist as much]].]]
123	* ''Webcomic/QuentynQuinnSpaceRanger'': As part of an extended TakeThat to ''Series/StarTrekTheOriginalSeries'' (specifically, a sendup of the episode "[[Recap/StarTrekS2E6TheDoomsdayMachine The Doomsday Machine]]"), the second story arc has Quentyn incensed that the [[CaptainErsatz stand-ins for]] the UFP lugs around extremely dangerous canisters of {{Antimatter}} to fuel their [[FasterThanLightTravel warp drive]], because [[SubspaceOrHyperspace Hyperspace]] itself can be tapped to fuel the engine much more safely and mass-efficiently (although all involved are glad to have so much antimatter on hand when the PlanetEater comes a-knocking). He's also annoyed that the federation TeenGenius who theorized this was possible was told to can it for political reasons.
124	* ''Webcomic/RoomiesItsWalkyJoyceAndWalky'': This occurs accidentally in ''It's Walky!''. The main faction of human villains arrive from an alternate universe and shunt the leftover energy created by their portal into a random tree branch that's nearby. This not only accelerates the heat death of their home universe, it also creates the Power Booster Rod, which ends up being a massive ChekhovsGun for the story.
125	* When confronted, the aliens from ''Webcomic/SequentialArt'' explain that "retardium" is generated by willfully ignorant people, and exists in another dimension as a physical material. This material can be harnessed to sustain the aliens, who operate a reality television show to keep these people glued to their sets, generating plenty of retardium. The mechanics are spelled out beginning with strip #871.
126	[[/folder]]
127
128	[[folder:Web Original]]
129	* In ''Website/OrionsArm'', a "Tipler Oracle" is a PocketDimension created by an [[DeusEstMachina Archai]] for the sole purpose of answering a question that even a godlike artificial intelligence can't handle on its own: it's seeded with self-replicating computational material, processes the question through its entire existence through TimeDilation, and passes the answer back through a wormhole before collapsing into a singularity. Despite all this, they're still fallible.
130	* ''Website/SCPFoundation'': Several [=SCPs=] rely on (or are) extradimensional power sources. For example, [[https://scp-wiki.wikidot.com/scp-3304 SCP-3304]] shows the drastic consequences when an extradimensional being tries to sell its own world's energy to ours. The wiki uses the tag "ectoentropic" for anomalies that violate conservation of mass and energy.
131	* ''Literature/WhateleyUniverse'': Presumably the Transdimensional Aranis-Hewley Power Station from ''Even Murphy's Law has Loopholes'' Chapter 3 and Chapter 5, which is based on a scientific paper titled ''Theoretical Arguments for Extra-Dimensional Power Sources to Explain Paranormal Abilities''.
132	* All powers in ''Literature/{{Worm}}'' are extradimensional in nature, drawing matter and energy from alternate Earths to fuel them. While it is possible to "drain the well" and thus no longer have a power, this is exceedingly rare (given the setting, you are much more likely to die first).
133	[[/folder]]
134
135	[[folder:Western Animation]]
136	* In ''WesternAnimation/TheLegendOfKorra'', the Spirit Vines, which comes from the Spirit World, can be used as a new energy source. Kuvira mostly uses them to power her weapons.
137	* In the ''WesternAnimation/RickAndMorty'' episode "[[Recap/RickAndMortyS2E6TheRicksMustBeCrazy The Ricks Must Be Crazy]]", it is revealed that Rick's spaceship is powered by a miniature universe inside the battery: the people of the "microverse" generate electricity using foot-pedals, with a portion of the power being redirected towards the battery. Unfortunately, this stops working when a scientist of the microverse discovers how to create his own "miniverse" and generate free power without having to work the pedals. The inhabitants of the miniverse then create a teenyverse for the same purposes. In the end, Rick manages to restore his battery's power by giving the microverse's inhabitants an ultimatum: either they go back to using the pedals, or he gets rid of his non-functional battery (and destroys their universe in the process).
138	* The magic used by the Butterfly family in ''WesternAnimation/StarVsTheForcesOfEvil'' comes from a place called the realm of magic. It enters TheMultiverse in two forms. The first is a golden liquid which flows into each universe at one specific location like water from a well. This can be collected and used for rituals, but prolonged exposure causes amnesia and insanity. The second is a BackgroundMagicField which is everywhere, but undetectable and extremely difficult to tap in to without a special wand that was made by the magic's living embodiment. As a result, anyone who has the wand becomes a target for those hoping to gain power for themselves.
139	[[/folder]]

Context Main / ExtradimensionalPowerSource