Tiresias is a four to five hour durational performance. Tiresias is a mythological figure, the blind prophet of Thebes who is famous for being transformed from a man into a woman for seven years. During the live performance, Cassils’s body is pressed up against the back of a neoclassical Greek male torso carved out of ice for precise contact with the artist’s physique. Cassils melts the ice sculpture with pure body heat, demonstrating the instability of the body and our desire for a certain unsustainable physique. Recasting the myth of Tiresias as a story of endurance and transformation, Cassils performs the resolve required to persist at the point of contact between masculine and feminine.