真田昌幸

Sanada Masayuki (1547–1611) was the greatest military strategist of the Sengoku period, a man who defeated Tokugawa Ieyasu's forces not once but twice despite being massively outnumbered — first at the First Battle of Ueda in 1585, then at the Second Battle of Ueda in 1600, where he pinned down Tokugawa Hidetada's army of 38,000 with just 2,000 men, preventing Hidetada from reaching the Battle of Sekigahara. Ieyasu called him 'a man of total duplicity' in anger and frustration. Masayuki's genius lay not in brute force but in an unmatched ability to read terrain, manipulate enemy psychology, and use deception and ambush to neutralize superior numbers. After Sekigahara, he was exiled to Kudoyama near Mount Kōya, where he lived in poverty but never surrendered his warrior's spirit, dying in 1611 still dreaming of fighting for the Toyotomi cause. His two sons — Nobuyuki, who served the Tokugawa, and Yukimura, who became the legendary hero of Osaka Castle — were both products of his extraordinary upbringing. The swords associated with Masayuki reflect the Takeda tradition: practical, durable, chosen for performance in actual combat.