Four arms and the muscle to swing all of them. Body Morph is the Mutant Quirk belonging to Steel Bulwark, a close-quarters build that hands its owner an extra pair of limbs alongside a serious jump in raw physical power.
Body Morph is the Quirk that belongs to Steel Bulwark. It falls under the Mutant classification and works at close range, which suits a power built entirely around what the user can reach and grab.
The ability turned up in Chapter 14 of the manga, and viewers met it in Episode 10 of the anime. The wiki lists it among villain Quirks. Its name comes from supplementary game material rather than the main story, and no Japanese reading is recorded for it.
The Quirk does two things at once. It equips its owner with a second pair of arms, bringing the total to four, and it supplies considerable physical strength to go with them.
Beyond that pairing, the story gives no further detail on how the power functions or what limits it carries.
Steel Bulwark is the sole owner of Body Morph on record.
Several other abilities in the franchise cover comparable territory. Quad Arms and Extra Arms both add limbs in similar fashion. So does Playtime, a power out of the Vigilantes spinoff, though that one has only ever been witnessed while its user is running on Trigger.

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Body Morph belongs to Steel Bulwark, a villain in My Hero Academia. It is a Mutant type Quirk that works at close range.
Body Morph gives Steel Bulwark a second pair of arms, bringing his total to four, along with a significant boost to physical strength.
Body Morph debuted in Chapter 14 of the manga and appeared in Episode 10 of the anime.
The name Body Morph was not used in the main manga or anime story. It comes from the mobile game My Hero Academia: The Strongest Hero.
Quad Arms and Extra Arms both give their users additional limbs like Body Morph does, and Playtime from the Vigilantes spinoff produces a similar effect while its user is under the influence of Trigger.
Looking for more on Body Morph? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
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