Spartakus and the Sun Beneath the Sea S02 E39 The Path of Light

Having returned to Arkadia, Spartakus decides that the only to find the secret of the auracite is to go to Arkshag's prison camp, even if it means he can never return. Arkana tries to stop him, but Arkshag prevents her from reaching him in time. Inside the camp, Spartakus discovers the secrets of the oracle and his wristguard.