Once Sara nodded her head, Sheila slowly narrating everything that happened to her from the moment she gained the system, experiencing many battles in the Trial Tower, meeting the goblin in the alleyways which also included the failed kidnapping case planned by Rodrick Jayson, etc. Of course, there are some other things that Sheila still keeps it as a secret for now until she saw with her own two eyes on what kind of reaction her mother would respond when knowing half of the information told by her.
As Sheila progressively deeper into the narrative, her mother seemed to be quietly listening to her without doing anything like interrupting her which she was somehow thankful yet, wonder if Sara actually knew already of everything, but by locking her eyes with her mother, Sheila was sure that this was the first time she heard about this. At a split second, she could see a shock appeared in her mother's eyes before disappearing, her mother was just too good at hiding her real emotion.
