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Real Name
Roora Yoshida
Current Alias

Roo, X-23



X-Men, New X-Men

Jeimuzu Howlett (father), Mariko Yoshida (mother), Keniuchio Yoshida (maternal uncle), Shingen Yoshida (maternal grandfather), Amiko Kobayashi (foster sister), Hisako Ichiki (foster sister)


Base Of Operations
Xavier Institute





Unusual Features
Eyes turn red when under a feral rage


Marital Status

Student, adventurer


Place of Birth

First appearance




Powers and Abilities


  • Regenerative Healing Factor: Sheathe's primary mutant power is an accelerated healing factor that enables her to regenerate damaged or destroyed tissue with far greater speed and efficiency than an ordinary human. She is capable of fully healing injuries resulting in massive tissue damage and blood loss such as multiple bullet wounds, slash wounds, and puncture wounds within a matter of minutes. Her healing factor is developed to such a degree, she is capable of reattaching severed limbs, such as a hand. She has also proven capable of regrowing an entire arm on her own. Her healing factor may fluctuate with her psychological state as battle wounds tend to heal very quickly, but her self inflicted cuts appear to remain visible for some time.
  • Foreign Chemical Immunity: X-23's natural healing also affords her the virtual immunity to poisons and most drugs. She can be affected by some drugs, such as tranquilizers, if she is exposed to a massive dose.
  • Disease Immunity: Due to her highly efficient immune system, X-23 is immune to all Earthly diseases and infections.
  • Superhumanly Acute Senses: X-23 possesses superhumanly acute senses that are comparable to those of certain animals. She is capable of seeing at much greater distances, and with perfect clarity, than an ordinary human. She retains this same level of clarity in near-total darkness. Her sense of hearing is enhanced in a similar manner, allowing her to both hear sounds that ordinary human's can't and to hear sounds that ordinary humans can, but at much greater distances. X-23 is able to use her highly developed sense of smell to track targets by scent with an impressive degree of success, even if the scent has been eroded by natural factors, such as the weather.
  • Superhuman Stamina: X-23's muscles produce considerably less fatigue toxins during physical activity than the muscles of an ordinary human. She can exert herself at peak capacity for about 24 hours before fatigue begins to impair her.
  • Superhuman Agility: X-23's agility, balance, and bodily coordination are enhanced to levels that are beyond the natural physical limits of even the finest human athlete.
  • Superhuman Reflexes: X-23's reflexes are enhanced to levels that are beyond the natural physical limits of the finest human athlete.
  • Superhuman Durability: She is capable of fighting the Hulk without sustaining any severe injuries and surviving energy blasts from Nimrod.
  • Longevity: Her healing factor will also provide her with an extended lifespan by slowing the effects of the aging process once she hits her physical prime.
  • Accelerated Bone Growth: Roora has the ability to control the growth, shape and toughness of her bone structure. Her body generates bony protrusions which she can remove, though not without pain, and wield as weapons. Even acting as a form of protective shielding or armor by covering herself with it. She can utilize this power in many ways, including the creation of knuckle guards, spears, blades, rigid tendrils, bone claws; both fingernail & knuckle protrusion and even projectile spikes.
  • Bone Claws: Roora's skeleton includes two retractable bone claws in each arm and one in each foot that she can extend and retract at will. These claws are housed beneath the skin and muscle. Unsheathing them causes her skin to tear and bleed, but the wounds are quickly dealt with by her healing factor. X-23 can unsheathe any number of these claws at once, although she must keep her wrists and/or feet straight at the moment the claws emerge. The claws are naturally sharp and tougher than normal human bone, allowing X-23 to cut through most types of flesh and natural materials.
  • Wallcrawling: Another use for her bone spikes is to climb up walls by growing bone spikes from her feet.
  • Projectile Spikes: She can launch spikes made out of bones that are much harder than regular human bone from apparently anywhere from her body. She usually launches them from either her arms or her stomach.
  • Burning Spikes: She is later able to heat the tips of her spikes to the point where they are flaming.
  • Self-Repairing Exoskeleton: She originally just grew a bunch of bone spikes over her body. Then later created a self-repairing exoskeleton made out of spiked, armor plated bones that can defend against very powerful attacks that regular human bone couldn't defend against. The armor is very dinosaur-like in appearance.
  • Bone Structure Durability: Her Skeletal bones seems to be also more durable than normal, she had easily survived heavy hits on several body parts.


  • Expert Covert Ops Training: Raised in captivity, Due to her extensive training as a top-secret operative, X-23 has been trained to become a living weapon. She is highly trained in the use of long range weapons and explosives, and is an expert in assassination techniques.
  • Expert Tracker: Due to her enhanced sense of smell, Laura is a dangerous tracker and has memorized many different scents.
  • Master Martial Artist: She is an excellent hand to hand combatant, with intensive training in numerous armed and unarmed martial arts techniques.
  • Multilingual: Laura can speak fluent American English, French, and Japanese. She might be able to speak other languages.

Strength level

  • Peak Human Strength: Because of her healing factor, X-23 can push her muscles, joints, and ligaments to levels beyond the natural limits of a woman of her height, weight, and build without sustaining injury. Unlike Wolverine, her skeleton isn't laced with Adamantium. While her skeleton, much like her musculature, can withstand greater pressures than a normal human skeleton, she can only withstand so much weight and pressure without sustaining fractures. While not superhuman, she is as physically strong as an ordinary human can be and can lift about 800 lbs.


  • Induced Berserker Rage: She has also been subjected to conditioning in which a specific "trigger scent" has been used to send her into a berserker rage, killing anything in sight.



  • Adamantium Claws: X-23's claws have been coated with the nigh-indestructible metal Adamantium. As a result, her claws are virtually unbreakable and are capable of cutting almost any substance, with the exceptions of Adamantium itself and Captain America's shield. Her ability to slice completely through a substance depends upon the amount of force she can exert and the thickness of the substance. Also, since the bones of her hands and wrists are not laced with Adamantium, it is likely that the reverberation of her claws could conceivably break her hands with significant force. Unlike Wolverine, the presence of Adamantium in her body is not sufficient enough to interfere with her bones' normal function of generating blood corpuscles, although it is as likely that some degree of her immune system is distracted by the presence of the foreign substance. Her claws can cut through the Hulk's skin and eyes.

Transportation: None known.
Weapons: None known.


  • Her healing factor can go faster than that of Wolverine's due to the lack of Adamantium in her body, but since she is so young it fluctuates to the point that it becomes slower more often than faster.
  • X-23 is a cutter, and has injured herself on a consistent basis using her claws from a young age.


  • No trivia.

See Also

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Links and References

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