[Setting a hand on his hip, he gives Kaeya the one over he wasn't able to earlier. Seems that he's not the only one here from Teyvat, as that Vision is a dead giveaway. He doesn't recognize this man, but it's good to be in the company from someone else from home.]

Hah! Being told that we're in a fight to save our world alone is interesting enough. I'm not sure if I've ever been in a position where the stakes are so high.

[The Vision on his own belt shines with an enthusiastic blue, matching the wearer's demeanor. Childe doesn't seem like he's worried whatsoever, not on the outside at least.]

We can discuss that in a moment, though. You can call me Tartaglia. Good to know I'm not alone, here.