Archbishop Tenkai and Toshogu — The Shadow Mastermind Who Designed the Edo Shogunate as Ieyasu's Strategist
Tenkai, as Tokugawa Ieyasu's political and religious advisor, was deeply involved in authenticating shogunate authority. After Ieyasu's death, he proposed enshrining him as 'Tosho Daigongen' at Nikko Toshogu, religiously reinforcing Tokugawa authority. He built Kaneinji temple on Mount Toei as a 'demon gate seal' for Edo and is said to have been involved in Edo's urban planning. Said to have lived to 105, this long-lived monk served as 'the black-robed Chancellor' to three generations — Ieyasu, Hidetada, and Iemitsu.