Yeah more Graces with the A-Arte tree, though the Armatization is a sort of linking type deal which is reminiscent of Xillia titles.
Set party, 2 humans, 2 seraphs, you can switch between seraphs during battle and "fuse" with the one of the right element you want, combines stats, gives you their Hidden and Seraphic Artes, which gives you a somewhat overpowered character, though nothing like Ludger from Xillia 2.
Also the three types of artes have a rock, paper, scissors type of deal, whereas Martial Artes (A-Artes) are quicker and interrupt Seraphic Artes, Hidden Artes are slower but prev