Yamamoto Kansuke, renowned as a samurai strategist and one of Takeda Shingen's esteemed 24 Generals, hailed from the Mikawa region, known for breeding formidable warriors. Despite physical challenges—blindness in one eye, lameness in one leg, and a malformed hand—Kansuke embarked on a warrior's pilgrimage in his twenties. Traveling across the land, he honed his skills in strategy, tactics, castle construction, and warfare, engaging in various swordsmanship schools and forms.
Initially rejected by the Imagawa Clan due to his appearance, Kansuke found recognition and trust as a loyal vassal of Takeda Shingen, who esteemed his intellect and military prowess. Rising through the ranks, Kansuke earned his place among the Takeda's illustrious Twenty Four Generals, showcasing his valor during the fourth Battle of Kawanakajima.
In October 1561, facing an enemy led by Uesugi Kenshin positioned on Mt. Saijou, threatening the strategically vital Kaizu Castle, Kansuke devised the "Woodpecker Strategy." Drawing inspiration from the woodpecker's method, he proposed a night-time assault to provoke the Uesugi troops and lure them down the mountain to the waiting Takeda forces below.
Although the plan was approved and troops ascended the mountain, the Uesugi, possibly tipped off by spies or anticipating the maneuver, had already descended the opposite side, catching the Takeda off guard with a surprise counterattack.
Realizing the imminent danger to Lord Shingen and taking responsibility for the failed plan, Kansuke led a valiant but fateful suicide charge on the Uesugi main camp. Despite sustaining severe wounds from spears and bullets, Kansuke made a final, determined assault on the Uesugi samurai, sacrificing his life in the process. Despite the setback, the Takeda forces ultimately prevailed, compelling the Uesugi to retreat. In recognition of his bravery and sacrifice, Kansuke was honored with a battlefield burial.
See also
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Takeda Nobuyoshi
Takeda Nobuyoshi (1128–1186 or later) was a prominent Japanese samurai lord of the late Heian and early Kamakura periods and the founder of the Takeda clan.
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Tokugawa Iemochi
Tokugawa Iemochi (1846–1866) was the fourteenth shōgun of the Tokugawa shogunate and ruled from 1858 until his death. His reign came during the turbulent final years of the shogunate, when Japan faced growing Western pressure and serious internal political conflict.
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Tokugawa Ienari
Tokugawa Ienari (1773–1841) was the eleventh shōgun of the Tokugawa shogunate and ruled from 1787 to 1837, making him the longest-serving Tokugawa shōgun. He was a great-grandson of the eighth shōgun, Tokugawa Yoshimune.
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Matsudaira Nobuyasu
Matsudaira Nobuyasu was only twenty years old when his father ordered him to commit seppuku. The reason was not a defeat in battle, but a crisis inside the Tokugawa family that had become too dangerous to ignore.
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Yamagata Masakage
Masakage was one of Takeda Shingen’s most loyal and capable commanders. He was included in the famous list of the “Twenty-Four Generals of Takeda Shingen” and also belonged to the inner circle of four especially trusted warlords known as the Shitennō.
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Yagyu Munenori
Yagyū Munenori began his service under Tokugawa Ieyasu while his father, Yagyū Muneyoshi, was still at his side. In 1600, Munenori took part in the decisive Battle of Sekigahara. As early as 1601, he was appointed a kenjutsu instructor to Tokugawa Hidetada, Ieyasu’s son, who later became the second shogun of the Tokugawa clan.
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Yagyu Muneyoshi
A samurai from Yamato Province, he was born into a family that had been defeated in its struggle against the Tsutsui clan. Muneyoshi first took part in battle at the age of sixteen. Due to circumstances beyond his control, he was forced to enter the service of the Tsutsui house and later served Miyoshi Tōkei. He subsequently came under the command of Matsunaga Hisahide and in time became a vassal first of Oda and later of Toyotomi.
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Endo Naozune
Naozune served under Azai Nagamasa and was one of the clan’s leading vassals, renowned for his bravery and determination. He accompanied Nagamasa during his first meeting with Oda Nobunaga and at that time asked for permission to kill Nobunaga, fearing him as an extremely dangerous man; however, Nagamasa did not grant this request.
