[He makes sure to observe where they're going, what streets are being taken, as he listens. Sounds like the former Harbinger was someone he'd be able to get along with really well, though it very well may have been a single encounter between the two of them. One to see who was stronger, and the the loser would surely die.]

You can consider this as your proof then. You must be impressive yourself if you could keep up with someone like him and live to tell the tale.

[And the idea of that makes his blood pump faster. He's going to get to fight this guy. It's an incredible opportunity, and his luck couldn't of been better to happen to walk into the bar with a figure like Diluc in it.]

But what I find the most interesting out of this entire exchange so far is why you were so willing to be this open with me about who you really are. You'd frighten just about anyone else, and yet you still told me knowing who I was.

Something else on your mind?

[Tartaglia has a list of things he thinks it might be, but better to get it from the horse's mouth first before he starts speculating.]