Tokugawa Ieyasu began life as a minor lord’s son traded as a hostage between warring clans during Japan’s Sengoku period, and ended it as the founder of a dynasty that kept peace for about 260 years. This deep dive explores how patience, adaptation and ruthless pragmatism carried him through the age of warring states.

We follow his kidnapping by the Oda, his years with the Imagawa, his escape to Okazaki Castle after Okehazama, and his alliance with Oda Nobunaga. We cover the European armor that stopped musket balls, his mass pardon of rebels, his move to Edo, his avoidance of the Korean invasions, the bribes and bluff that won Sekigahara, the forged genealogy behind his shogun title, and the sieges of Osaka.

• Why a five-year-old Ieyasu was intercepted en route to becoming a hostage, and how his father responded
• How he exploited the chaos after Okehazama and allied with the clan that once kidnapped him
• Why Hideyoshi’s transfer of Ieyasu to the Kanto region and Edo backfired
• The secret letters and musket fire that pushed Kobayakawa to switch sides at Sekigahara
• Filling Osaka Castle’s moats under a peace treaty, and whether his stability led to stagnation