Prometheus, a figure from classical mythology, lies on his back chained to a cliff in the Caucasus. From the tension of the limbs, as well as from the grimace of the face, one can perceive all the brutality of the torture. One hand is clenched, the other is wide open, and the tendons almost protrude from the wrist; the legs apart are both very tense; the torn belly offers a piece of human anatomy; the eagle is devouring the intestine, even if the myth speaks only of the liver, which, growing back every day, is the daily meal of an endless torture. What identifies the character as Prometheus is the lit torch in the lower right corner, the instrument with which the titan had given humanity fire. The eagle, an attribute of Zeus, becomes the ambassador of the revenge of the father of the gods. The torture of Prometheus is a theme in which figurative issues, linked to the correct representation of passions (including pain, wonder, death, madness), are intertwined with philosophical and literary motifs, congenial to the multifaceted spirit of Salvator Rosa.