Final answer:
Prometheus is punished by Zeus by being chained to a rock and having his liver eaten by an eagle.
Step-by-step explanation:
In Greek mythology, Zeus punishes Prometheus for stealing fire and giving it to humans by chaining him to a rock, where an eagle comes every day to eat his liver. This punishment is meant to be eternal, as Prometheus is an immortal being. However, Hercules later frees Prometheus from his torment.
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