Asian martial arts and fantasy movies can be exhilarating in their strangeness and invention, unbound by Western insistence on rational explanations. Arrow’s new box set Yokai Monsters Collection presents a world in which supernatural presences exist alongside human reality, while in Eureka’s release of Ching Siu-tung’s Duel to the Death (1983) martial artists defy the laws of physics in elaborately choreographed sword fights.