Rasetsuten 羅刹天

An imposing armor-clad figure stands wreathed in flames, looking quite intimidating. His hair is flowing and wild, his face is in a fearsome expression with his fangs visible. He raises a sword in his left hand, while his right forms a symbolic protective gesture. This is Rasetsuten, a guardian deity in Japanese Buddhism. He belongs to a group called the Twelve Devas, who protect the eight directions and Earth, Heaven, Sun, and Moon.
rasetsu. They are a race of usually malevolent beings who possess supernatural powers, which they usually use for evil acts like eating humans. In traditional Japanese thought, however, demons are not unambiguously evil. They can be managed by more benevolent authorities like Rasetsuten, who evolved from his demonic ways and now serves higher beings like bodhisattvas or buddhas.