Nathan and all the others indeed lacked experience, so they might not have seen the difference immediately. However, they should improve their observation skills.
"All of you guys also needed to strengthen your observation skills. It's better to improve them while you guys are still young," Luciel said to all the kids who were listening to their conversation.
It would be easier for them later if they had high observation skills, as they could spot more danger easier than others.
"Yes, but big brother Luciel, how are we going to improve it?" Astrid asked.
"Ask them," Luciel pointed at Nate and Jacob.
He also knew some, as he was already used to observing other people's expressions when facing their daily lives and other things when he was an actor so that he could also act it out after some practice.
