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 or Mythic REQ card
 * Helmet Description: Such is the skill of the HELIOSKRILL's artisan-armorer designer that even the heavily classified and encrypted Mjolnir neural interface protocols were reverse engineered.
 * Body Description: The HELIOSKRILL is a work of art crafted by a Sangheili prodigy inspired to test her skill against the best that humanity could muster.

Trivia
The Helioskrill armor bears a strong resemblance to the Arbiter body armor.

Gallery
 File:H5G-Helioskrill concept.jpg|Concept art of the armor. File:Helioskrill.png|Development render of the Helioskrill armor. File:H5-Waypoint-Helioskrill.png|Helioskrill armor in the Waypoint Armory. 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