Answer
Rome was Pyrrhus' most formidable opponent. The Roman legions, renowned for their discipline and organization, proved to be a formidable force against Pyrrhus' innovative military tactics. Despite Pyrrhus' initial victories, the Romans' resilience and strategic maneuvering ultimately led to his defeat. The Pyrrhic Wars, named after Pyrrhus, became a testament to the growing power of Rome and its eventual dominance over the Mediterranean region.