Below is a guide on where you can find the Mjolnir Armories around the southwestern part of Zeta Halo that unlock cosmetics you can use with the Halo Infinite multiplayer.
Windfall Armor Emblem
This armory can be found in a ravine west of the Cayman Squad map marker.
Scorpion Horvath MKVII Armor Coating
Found in the hills southwest of the Tower.
Olympic Stance
This armory can be found in the hills west of Ransom Keep guarded by a few Banished Brutes.
Midnight Griffin MKVII Armor Coating
This armory can be found under the landing pad near the giant grab lift at The Tower.
Banished Deception Warthog Coating
This armory can be found in the hills of southwestern Zeta Halo southeast of the Starlight Squad map marker.
For a guide on the locations of all the Mjolnir Armories, click here!