Can someone explain the Resonance of Fate image? I've been meaning to check that out for a while.
The battlesystem is focussed a lot on positioning and from which angle you attack your enemy. Also inhuman flips trough the air.
watch this battle gameplay to understand it a bit better (its spoilerfree). Look for the Healthbars around enemies on the ground. Those represent armor and attacks from that angle damage armor and not health