The power to develop one's muscles faster than others through exercise. Sub-power of Enhanced Health. Not to be confused with Accelerated Development.

Also Called

  • Accelerated Muscle Building/Exercise
  • Enhanced Muscle Development/Exercise


User can develop their muscles faster than normal through exercise. When one exercise, they can get thinner or even develop muscles in hours instead of days. For example, a fat person can become skinny in two hours through exercise, while they could go on and do some body building and develop muscles within the same amount of time.





  • Power is not instantaneous, users still require time to develop the body.
  • May wear off quicker than usual.
  • Needs constant exercise to stay fit.

Known Users

  • Demi-Humans (The Rising of the Shield Hero)
  • Scratchy (The Simpsons)
  • Courage (Courage The Cowardly Dog)
  • Saitama (One-Punch Man)
  • Sung Jin-Woo (Solo Leveling); after his Second Awakening
  • Zorcodrio (The Death Mage Who Doesn't Want a Fourth Time)


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