Amulet

"Professor, I'm not sure as well. I must be lucky since the assistants were very good at teaching." Vale answered with a smile. 

Of course, that was an obvious lie since he didn't even properly listen to the three. 

"…"

The three assistants looked dumbfounded as they were sure that they can't bring out someone's talent with just a few words. 

They know that Vale was using them to block Professor Charlotte's further interrogation!

The Professor knows this as well as she just accepted his reason for now. 

"Very well… Congratulations, you deserve this reward. With this Protector Amulet on you, even if you exceed the limit of your Phantasm State, you won't easily receive the backlash." 

"Thank you, Professor. Can you tell me how long will it extend my duration?" Vale asked curiously as he took the amulet from the professor.