Masamune Date is a prominent character in the anime series Sengoku Basara, which is inspired by the historical Sengoku period of Japan. Known as the 'One-Eyed Dragon', Masamune is a fearless and ambitious warlord who wields a unique six-sword fighting style. He is often depicted wearing a distinctive crescent-moon helmet and is characterized by his bold and energetic personality. In the series, Masamune is a central figure who leads his forces with charisma and determination, striving to unify Japan under his rule while facing various rival warlords.