Eyes widening, Cerise stares in shock at Naku. "R- Really...? Oh my god, I had no idea..."

As Naku teleports away, she glances around, then, spotting her, floats over and gazes at the black fire curiously."Uuu... that's some esoteric and questionably evil pseudo-fire substance, isn't it..." Yes, Cerise is well-versed in the arts of color identification of plot elements.