Healing Factor

Lobo — Regenerates a complete duplicate of himself from each drop of spilled blood, making injury counterproductive

Doomsday — Returns from death immune to whatever killed him, so the same method never works twice

Deadpool — His healing factor is derived from Wolverine's and amplified by cancer, leaving him permanently disfigured and in constant pain

Majin Buu — Reassembled his entire body from dispersed vapour after being destroyed

Wolverine — The written ceiling of his healing factor has shifted enormously by era, from fast wound closure to regeneration from minimal remains

Envy — Regenerates continuously but is sustained by a finite stock of souls that functions as a literal life counter

Sabretooth — Healing factor generally written as faster than Wolverine's but less resilient against decapitation-tier damage

Hulk — Recovers within moments from injuries that would kill a human

Hulk — Regenerates destroyed tissue rather than merely closing wounds

Naruto Uzumaki — Kurama's chakra closes serious wounds in seconds

Naruto Uzumaki — Regeneration is tied to the tailed beast, and fails when it is absent

Majin Buu — Reassembles from scattered fragments with no apparent limit

Cell — Regenerates from a single surviving cell in his head

Cell — Survives self-detonation and returns stronger

Lobo — Regenerates from a single drop of spilled blood

Lobo — Each spilled drop produces another Lobo, which the stories treat as a problem

Katara — Heals others by directing water over a wound — a rare sub-skill, not general waterbending

Katara — Revives Aang after a fatal wound using spirit water

Mystique — Her cellular control closes wounds faster than a human body can

Mystique — Reshapes damaged tissue directly rather than waiting for it to heal

Groot — Regenerates severed limbs immediately and uses them as weapons

Groot — A regrown Groot is written as the same person, which the stories treat as an open question

Doomsday — Returns from death repeatedly, each time harder to kill

Doomsday — Regrows bone protrusions as weapons after they break

Envy — Regenerates from wounds instantly, each recovery consuming a soul

Envy — The souls are a finite fuel supply, which is the stated way to kill a homunculus

Madara Uchiha — Hashirama's cells give him regeneration far past an Uchiha baseline

Madara Uchiha — Survives wounds that should be fatal and continues the same fight

Madara Uchiha — His defeat comes from betrayal rather than from being overpowered

Ms. Marvel — Heals rapidly, but healing consumes the mass she uses to change shape

Ms. Marvel — Holding a form for too long exhausts her, the stated limit

Hashirama Senju — Regenerates without forming hand signs, which no other character manages

Hashirama Senju — His cells are transplanted into others specifically for this regeneration

Percy Jackson — Water restores him — submersion heals injury and fatigue

Percy Jackson — Away from water he is markedly more vulnerable, the standing limit

Vandal Savage — Recovers from wounds that would kill a human, which is how the immortality manifests

Vandal Savage — Regenerates from near-total destruction across multiple stories

Eren Yeager — Regrows lost limbs, though the regeneration consumes his own reserves

Eren Yeager — Every Titan shifter is stated to live only thirteen years after inheriting

Eren Yeager — The nape is the vulnerable point on every Titan including his own

Nezuko Kamado — Regenerates severed limbs within moments

Nezuko Kamado — She sleeps instead of eating humans, which is why she keeps her mind

Nezuko Kamado — Becomes the only demon to survive direct sunlight

Muzan Kibutsuji — Regenerates from near-total destruction repeatedly within one fight

Muzan Kibutsuji — His body contains multiple brains and hearts so no single strike kills him

Muzan Kibutsuji — Every other demon exists because of his blood, so killing him kills them all

Denji — Recovers from lethal injury by consuming blood

Denji — Blood loss is what limits him, so the healing has a fuel cost

Denji — Regrows a destroyed body given enough blood

Ryomen Sukuna — Regenerates a destroyed body, including regrowing a severed head

Ryomen Sukuna — Heals injuries mid-fight faster than an opponent can inflict them

Ryomen Sukuna — Requires a vessel to act, which is the only constraint on him

Piccolo — Regrows severed limbs, a Namekian trait rather than a personal one

Piccolo — Regeneration fails if the head is destroyed, the stated limit

Venom — Closes serious wounds on the host within moments

Venom — Sonics and fire are the stated weaknesses, not physical damage

Deathstroke — Recovers from wounds far faster than a human, though not instantly

Deathstroke — Lost an eye and it did not regenerate, which fixes the healing's limit

Ghost Rider — Reassembles his body after being destroyed

Ghost Rider — Rides across water and up sheer surfaces on a hellfire motorcycle

Carnage — Reassembles after being torn apart

Carnage — Sonics and fire remain the weakness, inherited from the symbiote line

Green Goblin — Survives being impaled by his own glider

Green Goblin — The formula's damage to his mind is stated as permanent and untreatable

Green Goblin — Recovers from injuries that would kill an ordinary person, repeatedly

Blade — Heals faster than a human and resists most injury

Blade — Immune to a vampire bite, originally his only supernatural trait

Blade — His mother was bitten while in labour, which is the stated origin

Moon Knight — Resurrected by Khonshu after dying, more than once

Moon Knight — Continues fighting through injuries that would incapacitate anyone else

Moon Knight — His wealth funds the operation, which is the Batman comparison people actually mean

Winter Soldier — A partial super-soldier serum slows his ageing and speeds recovery

Winter Soldier — Cryogenic storage between assignments is why he did not age

Winter Soldier — Survives a fall that should have killed him, which is how he was recovered

Bane — Venom accelerates recovery as well as raising output

Bane — Deduces Batman's identity unaided, which almost no other villain manages

Bane — Later operates entirely without Venom and remains a strategic threat

Tsunade — Byakugou releases stored chakra to heal wounds instantly

Tsunade — Heals an entire village's forces simultaneously through a summoned slug

Tsunade — Survives being cut in half by Madara

Orochimaru — Regenerates from destruction as a mass of serpents

Orochimaru — Sealing rather than killing is how he is stopped, repeatedly

Ken Kaneki — Regenerates limbs, a ghoul trait accelerated by cannibalism

Ken Kaneki — He becomes a half-ghoul by organ transplant, not by birth

Ken Kaneki — Recovers from injuries that destroy most of his body

Sailor Moon — Restores enemies to their original selves instead of killing them

Sailor Moon — Using the crystal fully costs her life, repeatedly

Sailor Moon — Becomes Neo-Queen Serenity, ruling a restored Earth