[ Sorry, that's just his indoor voice (derogatory). It's also his outdoor voice. ]

It isn't magic! [ Pedantry at its finest, but he can't discount the actual magi in his world, having encountered one first-hand very recently. ] It's a Vision.

[ Whenever van Zieks can summon the strength to release him from this handhold, he'll tap the sparkly little gem at his hip. ]

Mine grants me control over water. If you encounter anyone else with these, chances are that they're from the same place I am.

[ Best keep that in mind in that future fight with Diluc. ]

You're a funny guy! I'll remember that. [ Pulling away, Childe just... casually begins to walk off. Goodbye? Farewell. ] The next time we meet, you're welcome to call me Tartaglia. Or Childe, if you prefer.

[ He didn't even catch van Zieks's name? It's fine. See you around, stranger. ]