"God locked the Darkness away where it could do no harm, and he created a mark that would serve as both lock and key."
― Death to Dean Winchester (Supernatural)

The ability to seal darkness/shadows into objects/beings. Variation of Elemental Sealing.

Also Called

  • Shadow Sealing


The user is able to seal darkness/shadows within objects/beings and release it when needed, causing it to have various effects on the target.


  • Esoteric-like users have a more vague and devastating effect on the victims, such as dark or divine.
  • Have the darkness unsealed when a specific condition is triggered.
  • Seal away darkness in an area.
  • Darkness Negation can create areas of light.
  • Blindness Inducement caused by release of darkness.
  • Corruption Inducement caused by sealing darkness within someone/something.



  • Can't be unsealed if the host is in an environment in which darkness cannot exist.
  • Destruction of host body will unwillingly unleash the sealed darkness.
  • May not have control over released darkness.
  • Users of Darkness Mimicry can negate this.
  • Powerful users of Darkness Manipulation can gain control of this.

Known Users

  • Phoena (Chain Chronicle)
  • God (Supernatural)
  • Sakura Kinomoto (Cardcaptor Sakura)
  • Shadow the Hedgehog (Sonic the Hedgehog 2006)

Known Objects

  • Holy Ark (Arc the Lad)
  • The Mark of Cain (Supernatural)
  • Scepter of Darkness (Sonic the Hedgehog 2006)
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