On one hand, Undyne understands the need to keep an eye out for the bad guys, especially if you aren't as good with a spear as she is. On the other hand: Ibtisam would never cheat, would she? She seemed so nice!

"Oh, ALL DAY, huh? That's easy enough to say for somebody who's just been hiding in one place the whole time, while I've been…!"

. . . Wait.

"Mm. Just, out of curiosity… heh. You… haven't been moving, have you? Y'know, like changing spots in the middle of the round?"