I'm using my free "registration GMO" for this one.
=-=-=
Enigma's color scheme changes to a deep crimson, as opposed to his normal purple. He gains a slight glowing aura; nothing that alters the flow of battle, but it certainly gives him an intimidating look. His eyes turn the same color, and could just as easily have flame in them for all the average onlooker can see. No real change is applied to weapons or combat, but his personality and combat strategy change slightly. Also, his dialogue font color changes to this. RP-wise, this will only be implemented when, well, Enigma is enraged. Pissed off. Whatever. It's not really a willing change, either; certain emotions cause his data to change colors, almost like a blush or animalistic instinct.