The ability to greatly weaken and devolve superpowers and abilities. Combination of Power Dilution, Superpower Manipulation, and Devolution. Opposite to Superpower Evolution.

Also Called

  • Law of Hemalurgic Decay (Mistborn)
  • Power Decay
  • Power Regression


The user of this power can downgrade or devolve any kind of superpower, including affecting physical and mental conditions an unlimited number of times, to virtually any level.



  • Decay may be impossible to fully stop or reverse, only slow down to varying degrees.
  • Decay may be erased and even reversed with Power Restoration, though this may be a temporary fix.

Known Users

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