The Persian Immortals were an elite ancient Persian military unit, known for their exceptional skill and unwavering loyalty. Handpicked from across the empire, they numbered precisely ten thousand and maintained their strength by immediately replacing fallen members. Renowned for their distinctive attire and formidable prowess, The Immortals played a significant role in various military campaigns, most notably during the reign of King Darius I and the Persian Wars against Greece. Their reputation as an unstoppable force struck fear into the hearts of their enemies, and their presence on the battlefield was often a decisive factor in Persian victories.