HELIOSKRILL-class Mjolnir

The MJOLNIR Powered Assault Armor/Helioskrill is a variant of the MJOLNIR Powered Assault Armor [GEN2] utilized by SPARTAN-IVs.

Development history
Named after a predatory creature native to Sanghelios, the Helioskrill armor was crafted by a Sangheili prodigy inspired to test her skill against the best that humanity could muster. The Helioskrill armor was manufactured by Kolaar Manufactorum.

Halo 5: Guardians
Unlock: Earn the Legend achievement in Halo: The Master Chief Collection.

Gallery
 File:H5GBRedStart.png|A SPARTAN-IV wearing Helioskrill armor during a War Games match on Truth. File:H5GBRedVictory.png|A SPARTAN-IV wearing Helioskrill armor winning a game on Truth. File:H5GBBreakout-Crossfire.png|A SPARTAN-IV wearing Helioskrill armor during a game of Breakout on Crossfire. 

List of appearances

 * Halo 5: Guardians