The ATHLON armor set features the most armor skins in Halo 5: Guardians. In order to unlock this armor set, you'll need to have pre-ordered Halo 5: Guardians from GameStop. The Hunter Armor set incorporates Watershed Division's latest warfighting technology primarily used by SPARTAN IVs.

In order to unlock this armor set, you'll need to play the game prior to November 7th, 2015. The Teishin Armor is yet another variant of the MJOLNIR Powered Assault Armor that is featured in Halo 5: Guardians. The bundle also includes the Vanguard Emblem. In order to receive the complete FOTUS Armor Set, you'll need to purchase the Halo 5: Guardians Limited Edition 1TB Xbox One Bundle. FOTUS is an acronym for 'Fist of the Unicorns', which is why there's a protruding horn coming out from the top of this armor set's helmet. The FOTUS is a variant of the MJOLNIR (GEN2) which is utilized by SPARTAN-IVs. This achievement can be acquired by completing the Cairo Station mission in Halo 2.

To earn this iconic piece of armor, made famous by Halo 3’s campaign, you’ll need to earn the “Cairo Station” achievement in Halo: Master Chief Collection. To unlock this armor you’ll simply need to head to the Halo channel and watch all five episodes of the Halo: Nightfall series. Halo Nightfall might not have been the best Halo production ever, but the armor featured in the series is one of the most iconic of the Halo world. To unlock this armor set you’ll need to complete the “Legend” achievement in Halo: Master Chief Collection, which can be acquired by completing all the MCC campaigns on the Legendary difficulty. This special armor, which was designed by Sanghelli, is bred for warriors, and bloody combat. The first set of armor that many will be trying to unlock is the Helioskrill Armor. This time around 343 Industries has quite a few armor sets lined up for players, and this guide will teach you how to unlock those sets so you can use them to show off your prowess in the game’s multiplayer modes. The next iteration of Master Chief’s story is upon us, and it’s time to start looking forward to the next generation of Halo multiplayer.

Halo 3 armors