[ Illumi gives a hum of agreement. He gets the feeling Bruno is saying that for a reason, so he goes along: ]

You surprised me, too. Your "Stand" is different from my nen. [ Breaking eye contact, he lets his eyes drift back to the weapon shelves, holding his arms loosely against his chest. ] That's what we call abilities like mine, where I come from. To put it simply.

[ Normally, he would be more hesitant to even mention the existence of nen to someone who clearly doesn't know what it is. But, for now... its probably fine, he decides, since the man has no way of finding out more about nen except through Illumi's mouth. ]