 Thus ended the coordinated operation against the Germanic peoples.With Barbatio safely out of the picture, King Chnodomarius led a confederation of Alamanni forces against Julian and Severus at the Battle of Argentoratum.The Romans were heavily outnumbered and during the heat of battle a group of 600 horsemen on the right wing deserted, yet, taking full advantage of the limitations of the terrain, the Romans were overwhelmingly victorious.