[ despite Childe's absolutely knowledge he could take Zhongli in a fight, Zhongli knows well that he's absolutely wrong. Still, it is impossible to tell someone like Childe such a thing— many only believe by seeing or doing. In this case, by the end, Childe will have done both. ]

I see. Shall I make a contract with you over it, then? It is rather unnecessary to me as it is occuring at our immediate destination, but if you require the assurance I will not leave you before the fight is concluded, then so be it.

[ Without waiting for the answer, he will turn and start walking, expecting the other to follow. He will not let Childe get under his skin here, about a fight no less. He expects the Harbinger to follow, and if Childe hesitates, there will be a rather firm, "Come."

Just to reaffirm him he is not walking away, even without a contact. Even so, it takes two to tango and Childe must follow. The sooner this is over the sooner it can be laid to rest. ]