A muscular figure dominates the right side, striding forward with a club in his right hand and a chain in his left, his body twisted in action. The man’s expression is focused and determined, his brow furrowed as he confronts the creature. Behind the beast, two shadowy figures emerge from the gloom, one with arms raised and mouth open as if shouting, the other gripping a staff or weapon.

The setting is a rocky cavern, rendered in swirling, energetic brushstrokes of ochre, brown, and muted gold, which create a sense of movement and turmoil. Light falls from the upper left, catching the hero’s back and shoulder, highlighting the tension in his muscles and the sheen of his skin. The paint is applied in loose, sweeping strokes, leaving areas of the wood panel visible, especially in the background and along the edges, giving the scene a raw, unfinished energy.

The composition curves around the central struggle, with the figures on the left recoiling from the action and the beast’s bodies twisting toward the hero. Small touches of white and pale yellow accent the figures’ hair, the beast’s teeth, and the glint of the chain, drawing attention to the drama at the center. A faint, reddish figure is visible in the upper center background, partially obscured by swirling brushstrokes, adding to the sense of depth and chaos.

The bottom left corner shows the beast’s hind legs stretched out, with loose, sketchy lines suggesting rapid movement and tension. A patch of bright light falls on the hero’s left thigh and calf, emphasizing the curve of his muscles and the dynamic pose. The upper left edge of the panel reveals the raw wood, with only a thin wash of paint, contrasting with the more heavily worked central area.

The secondary figures on the left are rendered with quick, fluid lines, their features blurred and ghostly, blending into the cavern wall behind them. Hercules and Cerberus is painted by Peter Paul Rubens in 1636.