Nagamitsu/Origin

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Origin
Osafune Hidemitsu is based off of the real sword. This blade with its brilliant tempering pattern is considered representative of Nagamitsu's work and is named Daihannya Nagamitsu, which comes from the association of its monetary value-six hundred kan in the Muromachi period (1392-1573)-with the six hundred volumes of the Great Perfection of Wisdom Sutra. This sword is said to have originally belonged to the Ashikaga Shoguns. Later it came into the possession of the warlord Oda Nobunaga (1534-1582), who gave it to Tokugawa Ieyasu (1542-1616) at the Battle of Anegawa in 1570. Ieyasu then presented it to his retainer Okudaira Nobumasa (1555-1615) in 1575 at the Battle of Nagashino.

Owner
Oda Nobunaga was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His work was continued, completed and finalized by his successors Toyotomi Hideyoshi and Tokugawa Ieyasu. He was the second son of Oda Nobuhide, a deputy shugo (military governor) with land holdings in Owari Province. Nobunaga lived a life of continuous military conquest, eventually conquering a third of Japan before his death in 1582. His successor, Toyotomi Hideyoshi, a loyal Oda supporter, would become the first man to unify all of Japan, and was thus the first ruler of all Japan since the Ōnin War.