Isolde is a playable character in Reverse:1999. She is an opera singer that can channel the spirits of the dead to give her performances authenticity. She is the friend of Kakania.
She is revealed to be a member of Manus Vindictae, helping them assassinate important figures of her era, in order to bring about World War 1. In the end, she is captured by The Foundation, but she enters a delusional state due to PTSD, thinking she is still in Vienna.
She is voiced by Ella Jonas Farlinger in English and Asakura Azumi in Japanese.
