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Since your recommendation involves sword I'll try tor recommend some animes that also have swords in them. The first I would recommend is Sword of the Stranger. It's an anime movie, it doesn't have demons or supernatural powers, just two hours of samurai sword fights. If you prefer swords being used against demons, you could always check out Ninja Scroll. It's also an anime movie and it's quite old , and it's 18+ unlike Kimetsu so be warned, but it's an anime classic. Other than that, the series Blood+ and Vampire Hunter D also have a protagonist who uses a sword against monsters. You might also like Afro Samurai.
If you don't necessarily want sword fights and would like to see some jaw-dropping animation, you could try the anime movie Redline. It's about racing, but even people who aren't into racing will enjoy the visuals.
