[ Perhaps, he should be more economical about using his hydromancy in public so he doesn't draw too much attention, but considering his other option is to dry out and die of thirst, he can afford to be a little less reserved here. ]

Command and manipulation of the elements is a common trait in my world. To use one's power in this fashion is not an unusual sight in Teyvat, especially if it will improve one's chances of survival in foreign terrain.

[ To use them without a vision is, but he'll side-step that fact. ]

Would you like some as well, or are you content to sip the [ sub-standard ] espresso?