Step into the world of the Persian Immortals—an elite fighting force 10,000 strong who served as the backbone of the mighty Achaemenid Empire. Known for their discipline, style, and unwavering presence in battle, the Immortals have fascinated historians for centuries. This episode explores who they were, how they fought, what they wore, and why they were considered “immortal.” Based on ancient sources and modern research, this is the untold story of the warriors who stood guard over kings and empires. Discover the truth behind one of history’s most legendary military units.