The moment that Felix heard what Eiro just said, he turned his head toward him confusedly, "H-How do-"
"How do I know? I'm a Spirit's Contractor. Of course I would know, Spirits sense magic in a different way to other beings." Eiro pointed out, before slowly turning his sight toward Sammy, "I'm sorry that I didn't mention it beforehand. He was using a charm skill, probably. I figured it might have been a good chance for you to learn." The Demon explained, but what he got in return was just a confused, angry stare.
"What..? You really just let him try and charm me..?" Sammy asked confusedly, and Eiro looked at her with just a slight nod, "Yes, you know just as well as I that we need to use every chance we can get to have you learn something about it. Charm abilities don't work that well once you know they're used on you, so-"