Dororo (2019)

S01E04 The Story of the Cursed Sword

Title: The Legend of the Damned Blade Plot: Dororo Onikimaru faces off against Tanosuke, a fearsome killer. The sword in Tanosuke’s grasp is a cursed artifact housing a demonic presence. While Dororo manages to evade Tanosuke's lethal blows, the powerful sword has now fallen into the wrong hands, leading to chaos as it influences the warriors around it.