SHINOBI-class Mjolnir

The MJOLNIR Powered Assault Armor/Shinobi is an armor for the MJOLNIR Powered Assault Armor (GEN2) utilized by Spartan-IVs. Discovered aboard a derelict freighter of unknown origin at Lacaille 9352, the armor has no known manufacturer or intended user. The UNSC Navy's Office of Naval Intelligence continues to probe the recovered suits in an attempt to unlock what appears to be several levels of restricted functionality. SHINOBI's core systems remain cryptic "black boxes" to analysts, though ONI successful in integrating the SHINOBI helmet with standard GEN2 Mjolnir techsuits and Spartan neural interfaces. Though aware of the inherent risks involved, ONI has authorized limited testing of the SHINOBI armor for a select few classified Spartan-IV operatives.

Halo 5: Guardians
Unlock: Ultra Rare REQ pack

Trivia
A Shinobi or Ninja was a covert agent or mercenary warrior in feudal Japan.

List of appearances

 * Halo 5: Guardians