[While Bakura does initially blink and step back in surprise, that surprise quickly flicks to a look of wild interest. He steps closer to Heat, pacing around him and appearing utterly unafraid, but ready to jump back should the need arise.]

H-heh heh heh...this is a "demon"? It looks like any old Ka to me... But it's interesting! Being able to turn into your Ka like that--I've only seen one other person with that power!