As io9 has thoroughly glazed in detail, 2025 was a definitive year for anime films, thanks in part to the meteoric box-office success of Demon Slayer: Infinity Castle. As the film prepares for award season, its directors shared some behind-the-scenes tidbits about how studio Ufotable pushed past their limits (and the laws of physics) to bring the megapopular anime’s bombastic fights to life.
