- "...But is unable to read them."

In a universe in which Ellen had Nanase roll for persuasion, she would have rolled a three, and the villain would have been completely not fooled.

Fortunately, Ellen didn't feel it was necessary to make Nanase roll for "yell a thing the villain would reasonably NEED to act on in some way," so Nanase was saved from rolling a three.

(Don't think too hard about the logic of me saying she definitely would have rolled a three, for there is none there)