Demon Slayer Chapter 54

Tanjiro, Zenitsu and Inosuke arrive at the station to board the Mugen Train, but Inosuke has no idea what he is looking at. He mistakes the huge train for a strange creature and even tries to challenge it. After a little confusion with the station staff, the three finally board the train and meet the Flame Hashira, Kyojuro Rengoku. Tanjiro asks him about the Hinokami Kagura, but Rengoku admits that he does not know the technique. Instead, he explains the basic Breathing Styles and offers to train Tanjiro himself.

In Demon Slayer Chapter 54, Rengoku suddenly senses a demon hiding inside the train. He draws his sword and defeats it with a single powerful attack, leaving Tanjiro, Zenitsu and Inosuke amazed by his strength. Rengoku happily agrees to train all three of them as his Tsuguko. As the group settles down for the journey, they learn that more than forty passengers have disappeared from the train. Rengoku warns them to stay alert, unaware that Lower Rank One Enmu is already watching them from above.