Electric jack it’s from royal edition. When you get all 13 royal arms, you go to a statue near the first royal arm you earn. You’ll earn a thing that allows you to use armored unleashed once’s equipped
Square announced more dlc a few months ago. They're gonna drop episode Ardyn around December + 3 more episodes throughout 2019. if youre still on the fence just buy it late when they release the "complete edition."