The White Iron God Arc Soldier (白鉄の神機兵 Haku tetsu no jinki-hei) is a variant of the God Arc Soldier that only appears in phases 1 and 4 of the Intake Manifold survival mission from the God Eater 21.40 update, the final phase of the Nirvana Trail survival mission, as well as various survival missions in God Eater 2 Rage Burst. It is a palette swap of the Wild God Arc Soldier possessing all its attacks, and it is considerably larger than both of its relatives.
The following information can also be found via descriptions of the Aragami found in the NORN Terminal's database.
God Eater 2 Rage Burst
White Iron Long Blade Soldier: A God Arc Soldier that has grown to a giant size through some extrinsic factors. Although it is said that Retro Oracle Cells may have played a part, the facts are still unclear. Although it is huge its abilities are unchanged and its Long Blade is powerful and can make fast consecutive attacks. Because of its speed which belies its massive size, care is needed when more than one appears on the battlefield.
White Iron Buster Soldier: A God Arc Soldier that has grown to a giant size through some extrinsic factors. Although it is said that Retro Oracle Cells may have played a part, the facts are still unclear. Although it is huge, its abilities are unchanged, and its Buster Blade is powerful and possesses a large range of attacks. because of the increased range that comes with its size, care is needed when more than one appears on the battlefield.