The provided episode details the Battle of Kosovo, a major late medieval conflict fought on June 15, 1389, between an army led by Serbian Prince Lazar Hrebeljanović and the invading Ottoman Empire under Sultan Murad I. The episode outlines the battle's background, including the political fragmentation of the Serbian Empire and the military movements leading to the engagement in Kosovo Field, an important Balkan crossroads. It also discusses the armies' composition and size, acknowledging that details are disputed but generally noting that the Ottoman force was larger and that both sides included multi-ethnic contingents, listing many different groups. Finally, the episode explores the battle's inconclusive result, the deaths of both Prince Lazar and Sultan Murad I (attributed to the Serbian knight Miloš Obilić), and the profound legacy of the event, particularly its enduring role in the Serbian national identity and the evolving Kosovo Myth.