The user is able to seal objects like living beings, spells, tools and/or weapons, etc. within themselves and release them when needed. If the sealed object has a power of it's own (Mythic Physiology, Powerful Objects, etc.) they may be able to tap into that power.
- May only be able to use a particular aspect of a seal (capture, absorption, etc.).
- Lack of control may affect the seal’s effectiveness.
- Weak against users of Unsealing.
- Faustian contract Users (Black Butler/Kuroshituji)
- Zora Ideale (Black Clover); via Trap Magic
- Julius Novachrono (Black Clover)
- Brain/Zero (Fairy Tail)
- Aldoron (''Fairy Tail: The 100 Years Quest'')
- Terunosuke Miyamoto (JoJo’s Bizarre Adventure Part IV Diamonds are Unbreakable); via Enigma
- Gen Shishio (Kekkaishi)
- Felix Maian I (The Legend of Maian)
- Various Shinobi (Naruto)
- Negi Springfield (Negima!)
- Golurk (Pokémon)
- Mark of Cain Bearers (Supernatural)
- Honoka Takamiya (Witch Craft Works)