Secret Technique: Summoning: Mugen Castle
Name
Kanji	秘術・口寄せ・無幻城
Rōmaji	Hijutsu: Kuchiyose: Mugen-jō
Literal English	Secret Technique: Summoning: Infinite Phantasm Castle
Games	Hidden Jutsu: Summoning: Mugenjo
Debut
Game	Naruto: Ultimate Ninja Heroes 2: The Phantom Fortress
Appears in	Game only
Data
Classification	Hiden, Ninjutsu, Space–Time Ninjutsu, Collaboration Jutsu
Class	Supplementary
Users Kabuto Yakushi

Kabuto uses eight seal tags to summon the Mugen Castle. The castle can absorb the people's vitality and capable of also destroying the land where it stands. When the castle is destroyed by removing the eight seal tags, it dissapears without a trace.

Trivia

• Orochimaru was mentioned to be the inventor of this technique.