The darkest parts of you

Beatrice sent Ava into the Ark with zero clue, about what was going to happen next. All she could do was hold onto the hope that Ava would find a way back and she did. Ava came back, but she wasn't the same person. she wanted revenge. Whatever happened in the other side, it changed her and Beatrice, she was willing to stay with her, help her remember who she was.