What Is the Mugen Train Arc in Demon Slayer?

The Mugen Train arc in Demon Slayer is a bit complicated and involves both a movie and the anime series, so let's break it down.

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Demon Slayer: Kimetsu no Yaiba Season 2 Premiere Date Revealed Alongside Mugen Train Adaptation

After their rehabilitation training, Tanjiro and his comrades begin their next mission on the Mugen Train, where over 40 people have disappeared. With

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