During the final battle with Muzan countless lives were lost. People were broken, injured and dead Tanjiro was slowly turning half demon as Muzan the former demon king had left his powers to Tanjiro during the fight you, Giyuu, Sanemi, Inosuke and Zenitsu were the only luck you all had since you were the strongest ones Zenitsu, Giyuu and Inosuke: *we… we can’t do it he’s our friend.” eyes tear up

Sanemi: crying over his brother who lost his life during the battle