[ yeah he's especially excited to hear Sebastian saying his powers are clearly less than they usually are. To Childe that can only mean that this individual has to be really promising somehow, right? ]

Can't wait, it's been a long time since I got to face anyone quite like a demon. [ he noticed that information with Emet-Selch, which helped pique his interest further ]

I'll let you choose the time because you just arrived and may want focus on other things prior. Ah, right, you said your name is Sebastian?

I'm Tartaglia. Most people call me Childe, though.