Ragnarok DG-4

The Ragnarok DG-4 is a buildable wonder weapon featured in the Call of Duty: Black Ops III Zombies maps Der Eisendrache and Revelations.

In When the Cold Breeze Blows Away, it was not only located in game, it also located in Nolte Geschwefel's Castle (including chapter Der Eisendrache) with some zombie locations and zombie maps but the heroes must built this weapons for prepare to against undeads and zombies