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"Humankind cannot gain anything without first giving something in return. To obtain, something of equal value must be lost. That is alchemy's first law of Equivalent Exchange. In those days, we really believed that to be the world's one, and only truth."
― Alphonse Elric (Fullmetal Alchemist)
"All magic comes with a price!"
― Rumpelstiltzkin (Once Upon a Time)

The circumstance in which the user possesses great strength and ability at a cost. Not to be confused with Aversion.

Also Called

  • Equivalent Exchange
  • Faustian Powers
  • Power at a Cost/Price

Capabilities

The user possesses great skill and power, but prolonged usage of it may come at a cost. Overuse or misuse of said power may result in, among other things, insanity and physical damage to the user's body.

Associations

Limitations

  • Some double-edged powers may affect people other than the user.
  • They may require something to keep their limits restrain.
  • With enough training, they may be able to overcome.

Known Users

See Also: Power At A Price.

Comics/Cartoons

  • Mozenrath (Aladdin: The Animated Series); via Gauntlet
  • Avatars (Avatar: The Last Airbender); via the Avatar State
  • Gwen Tennyson (Ben 10)
  • Darkwing Duck (Darkwing Duck); via former use of Super Speed powers
  • Speedsters (DC Comics); via Speed Force
  • Kid Psycho (DC Comics)
  • Thaddeus Sivana (DC Comics)
  • Clark Kent/Kal-El/Superman (DC Comics); via Solar Flare, later Kryptonite energy infusion
  • Spark (Girl Genius); there's a reason it's called The madness place.
  • Zombie Spider-Man (Marvel Comics); using his own veins and arteries as webbing causes him intense pain
  • Eli Shane (Slugterra); using the double barrel with the wrong slugs for a fusion shot could cause disastrous results like draining all the energy of surrounding slugs or worse
  • Maul (WildStorm)

Folklore

  • King Midas (Greek Mythology)

Literature

  • Dark Wizards (Harry Potter); especially when creating Horcruxes
  • Mundanes (Shadowhunter Chronicles); via Lilith's blood
  • The Sith (Star Wars)
  • Spirit Users (Vampire Academy/Bloodlines)
  • Fanoxean (The Young Guardians)

Movies

  • The Five Family Members (The Covenant)
    • Chase Collins (The Covenant)
    • Caleb (The Covenant); after his ascension.
  • Godzilla (Godzilla)

Live Television

  • Willow Rosenberg (Buffy the Vampire Slayer)
  • Cordelia Chase (Buffy the Vampire Slayer/Angel)
  • Dr. Curtis Williamson (Charmed)
  • Hiro Nakamura (Heroes)
  • Peter Petrelli (Heroes)
  • Sylar (Heroes)
  • Magic Users (Once Upon A Time)
  • Castiel (Supernatural)
  • Users of the Mark of Cain (Supernatural)
  • Sam Winchester (Supernatural); via Demon Blood

Video Games

  • Asura (Asura's Wrath); via his Wrath Form
  • ADAM users (Bioshock)
  • Non-Belmont users of the Vampire Killer (Castlevania)
  • Power Within Users (Dark Souls)
  • Blood Mages (Dragon Age)
  • Crusader (Final Fantasy VI)
  • Users of the "Eyes of Etro" (Final Fantasy XIII-2)
  • Azura (Fire Emblem Fates)
  • Sora (Kingdom Hearts); via Anti-Form
  • Raziel (Legacy of Kain)
  • Mega Man (Mega Man 11); via Double Gear system.
  • Users of Phazon-Enhancement Devices (Metroid Prime 3: Corruption)
  • Pokémon that know "Perish Song" (Pokémon)
  • Pokémon that know recoil inflicting attacks (Pokémon)
  • Albert Wesker (Resident Evil)
  • Zephyr (Resonance of Fate)
  • Metal Sonic (Sonic the Hedgehog); via V. Maximum Overdrive Attack
  • Shadow the Hedgehog (Sonic the Hedgehog); without Inhibitor Rings
  • Shirou Emiya (TYPE-MOON); after fusing with Archer's arm
  • Shiki Tohno (TYPE-MOON)
  • Infeliz (Valkyrie Crusade)
  • Deathwing (World of Warcraft)

Manga/Anime

  • Julie Sigtuna (Absolute Duo)
  • Titan-Shifters (Attack on Titan) via Curse of Ymir
  • Dark Schneider (Bastard!!); via Judas Pain
  • Untrained Tao Users (Black Cat)
  • Est Contractors (Bladedance of Elementalers)
  • Bount (Bleach); via Dolls
  • Uryu Ishida (Bleach); via taking off the Sanrei Glove
  • Sajin Komamura (Bleach); via Humanization Technique
  • Ichigo Kurosaki (Bleach); via using the Final Getsuga Tensho and being controlled by his Inner Hollow
  • Shunsui Kyoraku (Bleach); via his Bankai
  • Hatsuna Wakabayashi (Brynhildr in the Darkness)
  • Kanade Sakurada (Castle-Town Dandelion)
  • Shunsuke Otosaka (Charlotte)
  • Yuu Otosaka (Charlotte)
  • Claymores (Claymore)
  • All Ability Users and Rare Kinds (Code:Breaker)
  • Contractors except Hel (Darker than Black); they're required to perform a task in order to use their powers
  • Humans who make a deal for Shinigami Eyes (Death Note)
  • Saiyans (Dragon Ball series); via Great Ape Form and Super Saiyan 3
  • Son Goku (Dragon Ball series); via Kaio-Ken and Ultra Instinct
  • Frieza (Dragon Ball series)
  • Trunks (Dragon Ball series); via Super Saiyan Third Grade
  • Tenshinhan (Dragon Ball series); via Kikoho
  • Ultimate Shenron (Dragon Ball GT)
  • Super 17 (Dragon Ball GT)
  • Guldo (Dragon Ball Z)
  • Kyouka (Fairy Tail)
  • Ultear Milkovich (Fairy Tail); via Last Ages
  • Sherria Blendy (Fairy Tail); via Third Origin
  • Alchemists (Fullmetal Alchemist); via Human Transmutation
    • Alphonse Elric
    • Edward Elric
    • Van Hohenheim/Hohenheim of Light
    • Izumi Curtis
    • Roy Mustang (manga/2009 anime only)
  • Issei Hyoudou (High School DxD); via Juggernaut Drive
  • Seidou Goui Users (History's Strongest Disciple Kenichi)
  • Toori Aoi (Horizon In The Middle of Nowhere); via getting sad/upset will cause death
  • Sakuma Jirou (Inazuma Eleven); via Emperor Penguin no01 causes bone and muscle tissues to break down after 2nd use
  • Genda Koujirou (Inazuma Eleven); via Beast Fang, causes bone and muscle tissues to break down after 2nd use
  • Inuyasha (InuYasha)
  • Miroku (InuYasha)
  • Eucliwood Hellscythe (Is This a Zombie?); when she heals someone she feels the pain inflicted. Talking gives reality warping powers but headaches.
  • Stand Users (JoJo's Bizarre Adventure); if the user doesn't have a fighting spirit to control the Stand it can go out of control and slowly kill the user like a disease.
  • Wamuu (JoJo's Bizarre Adventure Part II: Battle Tendency); via Final Mode: Atmospheric Rift
  • Tokita Ohma (Kengan Ashura); via his "Advance" technique
  • Megumin (Konosuba)
  • Refal (Legend of the Legendary Heroes)
  • Tigre Vorn (Madan no Ou to Vanadis); via The Black Bow
  • Kōta Shibaki (Majmoji Rurumo); via Wish Tickets
  • Users of "One For All" (My Hero Academia)
    • Toshinori Yagi/All Might
    • Izuku Midoriya
  • Denki Kaminari (My Hero Academia)
  • Minoru Mineta (My Hero Academia)
  • Rikidou Satou (My Hero Academia)
  • Hanta Sero (My Hero Academia)
  • Tetsutetsu Tetsutetsu (My Hero Academia)
  • Thirteen (My Hero Academia)
  • Shouto Todoroki (My Hero Academia)
  • Fukikage Tokoyami (My Hero Academia)
  • Ochako Uraraka (My Hero Academia)
  • Yoite (Nabari no Ou); via the Kira Technique
  • Users of the Cursed Seal (Naruto)
  • Might Guy (Naruto); via opening the Eight Inner Gates
  • Sakura Haruno (Naruto); via the Creation Rebirth Technique
  • Kakashi Hatake (Naruto); via former use of Sharingan eye
  • Rock Lee (Naruto); via opening the Eight Inner Gates
  • Mizuki (Naruto); anime only
  • Uchiha Clan (Naruto); via use of Izanagi and Izanami techniques, losing sight in the eye forever
  • Tsunade (Naruto); via the Creation Rebirth Technique
  • Sasuke Uchiha (Naruto); via former usage of Cursed Seal of Heaven, his Mangekyō Sharingan and his Rinnegan.
  • Naruto Uzumaki (Naruto); via former usage of Rasenshuriken and Fox Shroud
  • Eve Neuschwanstein (Needless); via Doppelganger's energy use
  • Negi Springfield (Negima! Magister Negi Magi) via Magia Erebea
  • Tony Tony Chopper (One Piece); over-dosage of the Rumble Ball (pre-timeskip) and (post-timeskip) Rumble Ball only needed to use Monster Point
  • Mansherry (One Piece); via the Heal Heal no Mi restoration power
  • Monkey D. Luffy (One Piece); via Gear Second & Gear Third (pre-timeskip), or Gear Fourth - Bounceman
  • Marshall D. Teach/Blackbeard (One Piece); more susceptible to pain via gravity-element drawback
  • Tsumegeri Guards (One Piece); via Hero Water
  • Capone Luke Bege (One Piece)
  • Trafalgar D. Water Law (One Piece); via overuse of Ope Ope no Mi
  • Boros (One Punch Man)
  • Limiter Breakers (One Punch Man)
  • Gene Starwind (Outlaw Star); via use of #4, #9, and #13 Caster Shells
  • Aun Freya (Photon: The Idiot Adventures)
  • Celebi (Pokémon Adventures); from forced time travel
  • Tsukune Aono (Rosario + Vampire)
  • Ruby Tojo (Rosario + Vampire); via Iron Maiden
  • Yukishiro Enishi (Rurouni Kenshin)
  • Kazuma (s-CRY-ed)
  • Refined Alters (s-CRY-ed)
  • Sailor Moon (Sailor Moon); via the Legendary Silver Crystal
  • Sailor Saturn (Sailor Moon); using her full destructive and deathly powers also causes her to perish
  • Ruki (Senyu)
  • Meliodas (The Seven Deadly Sins); via his Revenge Counter technique
  • Shana (Shakugan No Shana); via Tenpa Josai
  • Wrath/Sasajima Kyouya (So I'm a Spider, So What?)
  • Male members of Cosmo's species (Sonic X); via Mover Mode
  • Hrotsvit Lesedrama (Swordsman of Magic Technique School and Summoned Vasreus)
  • Users of the "Swan Song" (Symphogear)
  • Toriko (Toriko); via his Original Appetite Demon
  • Masane Amaha (Witchblade)
  • Hiei (Yu Yu Hakusho); via using the Kokuryuha
  • Younger Toguro (Yu Yu Hakusho)
  • Lestion (Yumekui Merry); via firing his gun
  • Riou (Zatch Bell!); via performing his family's curse.

Known Objects

Comics/Cartoons

  • Mozenrath's Gauntlet (Aladdin: The Animated Series)
  • Telecephaloscope (Blake and Mortimer - The Yellow "M")
  • The Red Sweater of Courage (Dave the Barbarian)
  • The Sword of Tengu (Teenage Mutant Ninja Turtles 2003)

Anime/Manga

  • The Berserker Armor (Berserk)
  • Bakkōtō (Bleach)
  • Most Cursed Tools (C3: CubexCursedxCurious)
  • Wish Tickets (Majimoji Rurumo)
  • Darkness ÄRMs (Marchen Awakens Romance)
  • Ghost ÄRMs (Marchen Awakens Romance)
  • Mobile Suits equipped with Trans-Am (Mobile Suit Gundam 00)
  • Akimichi Three-Colored Pills (Naruto)
  • Hero Water (Naruto)
  • Energy Steroids (One Piece)
  • Hero Water (One Piece)
  • Reject Dials (One Piece)
  • Rumble Ball (One Piece)
  • Silver Crystal (Sailor Moon)

Literature

  • Soulcutter (Book of Swords)

Video Games

  • Beast Spear (Breath of Fire III)
  • Boots of Blinding Speed (The Elder Scrolls III: Morrowind)
  • Kōkai Gyoku (Flame of Recca)
  • Double Gear System (Mega Man 11)
  • Phazon Enhancement Device (Metroid Prime 3: Corruption)

Live Television/Movies

  • The Mark of Cain (Supernatural)

Known Powers

  • Project Daycare (American Dad!)
  • Lucid Gadget (Dream Eater Merry); when used in reality
  • Fairy Law (Fairy Tail)
  • Third Origin (Fairy Tail)
  • Stands (JoJo's Bizarre Adventure)
  • Mangekyō Sharingan (Naruto)
  • Blastor Mode (Tekkaman)

Gallery

Movies

Comics/Cartoons

Literature

Live Television

Manga/Anime

Video Games

Start a Discussion Discussions about Double-Edged Power

  • Double edged sword + ultipotence

    2 messages
    • I just thought this up and wondered what that would be like. There is two easy answers I can think of, not enough experience and of course, ...
    • you sell your feelings? idk man, that's all i got.
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