India, Sept. 16 -- Demon Slayer: Infinity Castle movie Part 1 saw Akaza's Return and final exit from the plot. While we all got to witness the villain turning to dust in the most emotional way there is, the makers subtly dropped a major hint about Demon Slayer Part 2's iconic fights, and you probably didn't even notice it. That is the beauty of Demon Slayer: Infinity Castle movie Part 1. Even in the midst of laughs, the makers paved the way for the next level battles coming with the next film. Here are the hints you missed out on, explained.

PS: Major spoilers ahead. If you are a true Demon Slayer fan, we'd advise you to watch Akaza's Return in theatres before reading on.

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