The Chimera Armour is not a reskin armour either. It gives the highest attack buff out of all the armours aside from a fully levelled up Artemis Armour, but at the cost of a negative percent cooldown reduction time.
Chaos Armor = re-skin from medusa's armor
Artemis Blade L1+triangle = Ares Sword L1+triangle, besides that square special is awesome lvl 1 gives you +5 PA
Thanatos sword = New specials both, +5 PA + 7 MA at lvl 1
Callisto Sword = re-skin from griffith armor
Chimera Armor = -15 CD +15 PA