[Naruto, later on, probably wouldn't be as surprised to know that Ban didn't really think of 'people who tried to kill him' as always that memorable. While Sonia was an intelligent girl, Naruto would have had to lead with--]

Ahhh, the one that stuck me with the needle. OK, I remember her~.

[Pursing his lips, Ban made a cupping gesture in the open air with one hand.]

Nah, see--the fountain was just a chalice that would keep pouring water out of itself until someone picked it up. Once it was set down in place, it'd keep pouring water out--so you could drink it entirely if you picked it up.