Webeos murata took part in the hashira training and reached himejima so he most likely was able to finish the previous trainings so he has a huge experience advantage.
Webchadrata stays on the grind 24/7 to avenge his family.
He was so powerful they had to severely nerf him in the demon slayer game.
In conclusion, if every single character.
Webboutta see some anime spinoff where a dude gets reincarnated into demon slayer, but not as one of the main characters.
Instead he reincarnates as murata and proceeds to.
Webwitness murata's invincibility and the intense battles in demon slayer as he fights against demons.