ATHLON-class Mjolnir

MJOLNIR Powered Assault Armor/Athlon is a variant of the GEN2 MJOLNIR powered armor used during live-fire War Games exercises. It contains multiple layers of redundant safety systems to reduce the change of injury in such exercises. Developed by Misriah Armory, it is much sleeker than most MJOLNIR variants, reminiscent of the series' Contoured-pattern gauntlets and greaves. The Athlon helmet features an inner layer with a magnetorheological dampening system specifically crafted for Spartan physiology.

Halo 5: Guardians Multiplayer Beta
Unlock: Achieve SR-19 (Helmet), SR-20 (Body armor)
 * Helmet Description: The ATHLON helmet's inner layer uses a magnetorheological dampening system perfectly tuned to the peculiarities of the Spartan physiology.
 * Body Description: Multiply -redundant safety systems in the ATHLON significantly reduce the chance of major injury during live War Games.

Production note
The Athlon suit was first shown in the Halo 5: Guardians Multiplayer Beta announcement trailer. The permutation is part of Breakout, a new game mode in Halo 5: Guardians. Athlos is a Greek word meaning ″contest″ (eg; triathalon and the root of the word "athlete") and alludes to the E-sports-oriented nature of Breakout.

List of appearances

 * Halo 5: Guardians