Battle of Shizugatake
At the Battle of Shizugatake in 1583, he defeated Haigo Gozaemon, a prominent samurai. Masanori (Tenshō 11) had the honor of taking the first head, namely that of the enemy general Ogasato Ieyoshi, receiving a 5000 "koku" increase in his stipend for this distinction (the other six "Spears" each received 3000 "Koku"), he married with Omasa.