"We've trained our bodies such that we can turn them into "iron carapaces" if we so choose..."
― Blueno describing Tekkai/Iron Body (One Piece)
"And she just doesn't get hurt! When she's wrecking the towns, sinking battleships or eats direct gun or cannon fire. Her tough as nails body simply doesn't suffer as much as a scratch! As you said, she really is an iron ballon!"
― Capone Gang Bege (One Piece)

The power to have more durability than what is naturally possible. Sub-power of Supernatural Condition. Advanced version of Enhanced Durability. Variation of Dermal Armor and Invulnerability.

Also Called

  • Immense Durability 
  • Super Durability 
  • Superhuman Durability 
  • Supernaturally Dense Tissue


The user's body-tissue, skin, muscles, bones, etc. is extremely dense/solid, allowing them to withstand harmful strains on the body such as crushing weights, impacts, pressures, changes in temperature, etc. They gain enhanced levels of strength and stamina, this is possible because of how hard their body has become, allowing them to resist tearing a muscle and/or their bones shattering easily.



  • Peak Human Durability: User has conditioned metabolism enabling extraordinary efficient healing, as well as denser skin, bone, muscle, etc.
  • Enhanced Durability: User's durability is augmented, but not to supernatural levels.
  • Supernatural Durability: User can withstand extreme temperatures and pressures, virtually all toxins, corrosives, punctures, and concussions without sustaining injury.
  • Absolute Durability: User absolutely cannot be injured.



  • Not complete invulnerability.
  • Certain abilities that are capable of bypassing tough skin like Absolute Strength, Telepathy, Durability Negation, etc, can be counteractive against this power.
  • May have a set duration.
  • User may sacrifice flexibility and speed for strength and durability.
  • User may be notably heavier than their overall size would suggest.
  • May become heavier than normal.
  • May complicate receiving medical treatment.

Known Users


  • Appoplexians (Ben 10 series)
    • Rath
  • Cannonbolt (Ben 10 series)
  • Cole (Lego Ninjago: Masters of Spinjitzu)
  • Diamondhead (Ben 10 series)
  • Fourmungousaur (Ben 10 series)
  • Frankenstrike (Ben 10 series)
  • Vaxasaurians (Ben 10 series)
    • Humungousaur
    • Ultimate Kevin
  • Vilgax (Ben 10 series)
  • Great One (Ben 10 series)
  • Po Kong (Jackie Chan Adventures)
  • Stitch (Lilo and Stitch)
  • Juniper "June" Kim Lee (The Life & Times of Juniper Lee)
  • Powerpuff Girls (Powerpuff Girls)
  • Chase Young (Xiaolin Showdown)


  • Atlanteans (DC Comics)
  • Darkseid (DC Comics)
  • Icon (DC Comics)
  • Kryptonians (DC Comics); via yellow sun radiation
  • Martians (DC Comics)
  • Reign (Worldkillers) (DC Comics)
  • Thanagarians (DC Comics)
  • Atlanteans (Marvel Comics)
  • Luke Cage (Marvel Comics)
  • Hulk (Marvel Comics)
  • Hulkling (Marvel Comics)
  • Juggernaut (Marvel Comics)
  • Karkas (Marvel Comics)
  • Meggan (Marvel Comics)
  • Odin (Marvel Comics)
  • Adam Warlock (Marvel Comics)
  • Olympians (Marvel Comics)
  • Rogue (Marvel Comics); formerly with Ms. Marvel's power set
  • Thanos (Marvel Comics)
  • The Thing (Marvel Comics)
  • Thor (Marvel Comics)
  • Steven Rogers (Ultimate Marvel)
  • Torque (Valiant Entertainment)
  • Vltrumites (Image Comics)


  • Jeremiah Stone (Bomb Squad)
  • Jason Voorhees (Friday the 13th)


  • Titan/Arion Zimmerman (The Guardians Saga)
  • Patrick Donovan (The Young Guardian)
  • Derek Marvin (The Young Guardians)

Live Television

  • Captain Man (Henry Danger)
  • Ciro Funes (Los Unicos)
  • Ruben Hagi (Los Unicos)


  • Guts (Berserk)
  • Arrancar (Bleach); via Hierro
  • Quincies (Bleach); via Blut Vene
  • Shinigami (Bleach)
  • Ryūichi Sendō (Code:Breaker)
  • Skinn Bolic (D.Gray-Man)
  • Saiyans (Dragon Ball)
  • Saitama (One-Punch Man)
  • Acnologia (Fairy Tail)
  • Dragon Slayers (Fairy Tail)
  • Dragons (Fairy Tail)
  • Torafusa (Fairy Tail)
  • Wizards (Fairy Tail)
  • Envy (Fullmetal Alchemist)
  • The Captain (Hellsing)
  • Tōkajin (InuYasha)
  • Kongoh family (Kongoh Bancho)
  • Roland (Lord Marksman and Vanadis)
  • A (Naruto)
  • Kakuzu (Naruto)
  • Third Raikage (Naruto
  • Users of Rokushiki (One Piece); via Tekkai
    • CP9 members
    • High Ranked Navy Officers
  • Users of Busoshoku Haki (One Piece)
  • Tony Tony Chopper (One Piece); via Monster Point
  • Bobby Funk (One Piece)
  • Charlotte Linlin/Big Mom (One Piece)
  • Earth Dragon (Rewrite)
  • Lunar's Papa (Seto no Hanayome)
  • Astarte (Strike the Blood)
  • Tetsuhito Kagiroi (Tenjho Tenge)
  • Yaya (Unbreakable Machine Doll)
  • Gatasubal (Yu Yu Hakusho)
  • Younger Togueo (Yu Yu Hakusho)
  • Cao Cao (Highschool DxD)

Tabletop Games

  • Tarrasque (AD&D)
  • Catachans (Warhammer 40k)

Video Games

  • The Mace (Cry of Fear)
  • The Sawer (Cry of Fear)
  • Knuckles the Echidna (Sonic the Hedgehog)
  • Shadow the Hedgehog (Sonic the Hedgehog)
  • Sonic the Hedgehog (Sonic the Hedgehog)
  • SOLDIERs (Final Fantasy VII)
  • Tentacles (Half-Life Series)
  • Escavalier (Pokémon)
  • Cecil (Serious Sam II)
  • Kwongo (Serious Sam II)
  • Prince Chan (Serious Sam II)
  • Khnum (Serious Sam 3: BFE)
  • Ugh-Zan IV (Serious Sam 3: BFE)
  • Ugh-Zan III (Serious Sam: The First Encounter)
  • Mordekai (Serious Sam: The Second Encounter)
  • Closers (Silent Hill 3)
  • Bash (Skylanders)
  • Giants (Skylanders)
  • Malefor (Skylanders)
  • Skaarj Queen (Unreal)
  • Warlord (Unreal)
  • Titans (Unreal series)
  • Giant Skaarj (Unreal: Return to Na Pali)

Web Animation


  • SCP-1120 - Freeze Tag (SCP Foundation)




Web Animation