[To match the vibe, you gave back a similar smile, but it looked creepy. A smile doesn't suit a scary face. Your reputation dropped by 1. You learned a lesson, stick to combat.]
Also, this is arguably one of the toughest chapters I've written in my writing career, trying to give the abstract concept of casting a spell some actual theoritical backing. I hope you all enjoyed it, because this would probably be the only time I explain this stuff ///
"I also want to take advantage of you, but you need to survive first. I'll teach you a technique to better conceal your Mana signature. It's not foolproof, but it should lower your chances of being detected. I recommend you stay low-profile or join a Sect that can protect you."