Ninja Scroll (1993) remains a landmark achievement in adult anime, blending historical Japanese intrigue with supernatural horror and relentless action. The film follows Jubei Kibagami, a masterless swordsman reluctantly drawn into a conspiracy when he encounters Kagero, a kunoichi whose touch is lethal, and Dakuan, a cunning government spy. Together, they confront the Eight Devils of Kimon, a clan of demonically-powered assassins led by Jubei's resurrected nemesis, Gemma, who plot to overthrow the Tokugawa Shogunate.

Directed by Yoshiaki Kawajiri, Ninja Scroll is celebrated for its gorgeously detailed animation, visceral combat sequences, and dark, atmospheric world-building. The film doesn't shy away from mature themes and graphic violence, creating a gritty, immersive experience that defined a generation of anime for Western audiences. The character designs are iconic, and the English dub (featuring voices like Dean Elliott as Jubei) is considered one of the strongest of its era.

Viewers should watch Ninja Scroll for its unparalleled influence on the action and dark fantasy genres. It's a masterclass in pacing, balancing its complex plot with spectacular set pieces. The film's legacy is undeniable, inspiring countless creators and remaining a benchmark for artistic and narrative ambition in animation. For fans of samurai epics, supernatural thrillers, or classic anime, this is an essential and thrilling watch.