Black Secret Technique: Black Iron

Shinki encases his target with Iron Sand, then proceeds to summon his puppet that bites down on the target, which results in a fūinjutsu formula that temporarily seals said target's movement as Shinki completely buries them in a casket of Iron Sand.
== See Also ==
* Desert Layered Imperial Funeral Seal
pt-br:Técnica Preta Secreta: Ferro Negro