Barrot forcing Phryne to let him check if she's still a virgin (by seeing if her hymen has been ruptured). It's interrupted by Nessa before anything happens, but watching Phryne having to lie down and place her legs on the obstetric stirrups can make a viewer shudder. What makes the scene even worse is the music that accompanies the scene—a One-Woman Wail and a creepy Scare Chord.
Moeran choking Phryne.
We finally know the cause of the PTSD and it is even more terrifying than expected. Turns out, the "original" Phryne was raped during her childhood and regressed to a ten year old's mindset because of it. In order for Phryne to join Nessa and become the key, Barrot made sure she was exactly like the original. Yeah...