In total more than generals have become field marshals in northern German states or the subsequent unified Germany between and The vast majority of the people promoted to field marshal won major battles in wars of their century. As for benefits for not using the system I dunno, did you like how Armies handled before this patch? Last edited by Zorlond 10 Mar, am.Field marshal German : Generalfeldmarschall was the highest military rank in the German Empire and, afterGermanyfor seventy-five years. And when the plan is active during war time, all of the armies involved will march forward to take that Offensive Line. One big Front and Offense for the whole group. Not the individual Armies, give them to your Field Marshal. That should create an Army Group and add the armies to it. Select the armies with shift-left-clicks. How does the new Army Group system work and is there benefits to using no army groups? I don't completely understand the new concept of army groups, how are they used. Home Discussions Workshop Market Broadcasts.