ArtStation - Venture MP Armor for Halo 5 Guardians, Sam Brown
Beat Full Armor by *benedickbana on deviantART
Helmets (with and without random grays), Jardin John Cobile on ArtStation at https://www.artstation.com/artwork/zzLoL
Evangelion Unit-01 Stage 2 Specification B-Type Equipment
Splash Zone - Artwork, doodles n WIPs - Page 16
Say what you will about Halo 5 overall, but if there’s one thing Microsoft and 343 did not screw around on, it was putting together a roster of very talented concept artists to work on the game.
Some sci-fi/medieval helmet design research.
ArtStation - Assassin, Ching Yeh