However, the ease at which he completed the retired Sound Hasira Uzui Tengeni ... as the former finally gains the confidence of supposedly the strongest Hashira, while the latter finds comfort ...

Demon Slayer season 4 episode 1 preview started with a focus on Tengen Uzui, the Sound Hashira, training the series' protagonist, Kamado Tanjiro. The teaser then showcased each Hashira, namely ...