Ah, come to think of it, there seemed to be such a thing.
After Lister's explanation, Priscilla indeed recalled that she had mentioned how to deal with these two people at the time.
However...
Priscilla glanced at Helen and Iris, who seemed a bit nervous, then leaned her head close to Lister.
"Dear, do you mean... these two intend to defect... no, and have value to be utilized?"
"No need to put it so utilitarian... But they do indeed have that possibility."
Lister gently squeezed Priscilla's hand, responding to her words.
The two people in front of him, one had faith that was too pure, while the other basically had no faith at all... It might not be impossible to properly reform them and let them plunge into the vast sea of the Demon Realm's development.
"Hmm... Although I don't know what use they have, let's just go with your idea."