"Devour the brightest day. Enshroud the blackest night. Treasured sword of hell. Unite with my body as your host, and become the demonic beast of darkness that annhilates everything."
― Tobio Ikuse (Highschool DxD)

The power to merge with the weapon the user is wielding. Combination of Weapon Proficiency, Amalgamation and Infusion.


The user can merge with any weapon they are wielding to empower the user or prevent losing it.





  • May have difficulties keeping the merge for a long period of time.
  • Soul-Bound Weapons are immune unless it is the user's weapon.
  • Process may be irreversible.
  • Destruction of weapon may cause harm to the user.
  • Merging with Demonic or Divine Weaponry may have adverse effects, depending on user's affinity.

Known Users

  • Isuzu Sento (Amagi Brilliant Park)
  • Tatsumi (Akame ga Kill)
  • Creed Diskenth (Black Cat)
  • Sōsuke Aizen (Bleach)
  • Ichigo Kurosaki (Bleach)
  • Baishin (Bleach)
  • Kyōko Haida (Bleach)
  • Prue Halliwell (Charmed)
  • Barbamon X (Digimon)
  • Priscilla (Claymore)
  • Dante (Devil May Cry series)
  • Nero (Devil May Cry series)
  • Nizō Okada (Gintama)
  • P-01s/Horizon Ariadust (Horizon In The Middle of Nowhere)
  • Hounds (Puchi Houndo)
  • Tōshū (InuYasha)
  • Shigure Kousaka (Kenichi)
  • Ghost ÄRM users (Marchen Awakens Romance)
  • Nico Minoru (Marvel Comics)
  • Kisame Hoshigaki (Naruto)
  • Wapol (One Piece)
  • Saga (One Piece)
  • Matthew Logan (The Outer Limits)
  • Ye Chun Hwa (Id)
  • Mega Man X (Megaman ZX)
  • Ruber and his soldiers (Quest for Camelot)
  • Future Ragna (Ragna Crimson)
  • Algol (Soul Calibur)
  • Crona (Soul Eater)
  • Longinus: Canis Lykaon (SlashDog)
  • Tobio Ikuse (SlashDog)
  • Shushu Users (Wakfu)
  • Koutarou Amon (Tokyo Ghoul:re)
  • Vash the Stampede (Trigun)
  • Zero Kiryu (Vampire Knight)

Known Weapons


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