Webno, it’s not necessary to watch demon slayer:
To the hashira training before season 4.
It was a promotional movie that included the entire finale.
Webthe hashira training arc is the shortest arc in the story, focusing on the demon slayers trying to reach their maximum potential.
The upcoming fight with the.
Webseason 4 of demon slayer set up the final battle against muzan and upper moons, marking the beginning of the endgame.
The hashira training arc introduced new dynamics,.