The truth of Riko’s birth
Ozen reveals a shocking truth, that the “Curse Warding Box” has the ability to “temporarily” revive the dead. The monster that Riko saw the previous episode was revived by the box, but was a lump of meat a few hours prior. She then reveals that Riko was born stillborn and revived using this relic. This obviously is surprising and ominous for Riko considering that anyone or thing brought back from the dead dies again. Ozen is overtly cruel towards Riko, suggesting that she was the equivalent to the meat she reanimated.
Reg verses Ozen
After Ozen torments Riko a little bit, Reg comes to her rescue. However, Ozen proves to have odd strength. She attacks him hoping that she will “dispose” of him before his memory returns. Reg is completely ineffective against her, and she slams him into the ground. When, Riko tries to stop her, she knocks her into a wall, causing her to bleed. Reg decides to use his cannon, but Ozen uses it against him. During the altercation Ozen arm is exposed and she tells Reg that she embedded something called “Thousand-Men Wedges,” and that she “inserted them at 120 points around her body,” resulting in her living for so long.
Just a test
Despite her assault on Reg and Riko, Ozen claims that she only was serious to test them. She was concern that they couldn’t survive in the Abyss, she decides that she will train them like she did Lyza. Ozen also tells them that the grave she found was empty, implying that Riko’s mother may still be alive. Ozen’s first test will be a survival test, challenging Reg and Riko to survive alone in the forest for 10 days. Ozen is an interesting character, she’s appears to be amoral. Her willingness to attack Riko and Reg does not bold well for her claim that she didn’t really mean it. I think you can assume from her treatment of assistant that it wasn’t all an act. However, her behavior is likely to have help her survive this long. This series keeps getting more interesting and darker, while I don’t like Ozen, her personality adds to the series.