This sculpture depicts Perseus, who was a son of Zeus, grandfather to Hercules. Perseus was considered the great hero of Greek mythology before the days of Hercules. The sculpture represents a story from Homer’s Odyssey about his battle against the Gorgon, Medusa. In the story, Perseus is able to defeat Medusa with the help of the gods. To fight Medusa, Perseus was provided helpful tools, including: a mirrored shield from the goddess Athena, winged sandals from the god Hermes, a helm of invisibility from the god Hades, and a powerful sword from the blacksmith of the gods. Giovanni Battista Foggini uses a small amount of negative space in this sculpture. The surface of the shield is very smooth and polished. This creates a reflective surface which supports the fact that it represents a mirrored shield. The artist used etched lines in the base of the sculpture characterizing a rock surface which also separates it from the figure of Medusa. Amazing detail is shown with the use of the sharp and wavy etched lines that create the realistic anatomy of both figures, their attire, and tools, such as the following: raised and wavy lines on the helm, detailed lines of their clothing, and the small straight lines around the rim of the shield. Detailed lines also portray the feelings expressed, such as the agony of Medusa with her mouth open wide and the determination of Perseus as he intently views his target. These lines allow the observer to distinguish the action, passion, and pain illustrated in this scene. Foggini creates movement by positioning Perseus in mid-action. His head is looking down with his upper torso slightly twisted back. The line of his right arm is positioned up and reaching back behind his head with the sword in full swing. Medusa is on the ground with the lines of both arms spread out away from her body as she awaits her death. By the use of the techniques of etched lines and movement, Foggini allows the viewer to see the strength of Perseus and struggle depicted.