Yoriichi Type Zero is destroyed at the end of Tanjiro's training, but a sword from over 300 years ago appears from inside. Kotetsu gives Tanjiro the sword, however it is badly rusted. At that moment, Haganezuka appears and takes the sword with him to perform a grueling whetting process handed down within his family line. Meanwhile the presence of demons are inching closer to the village...
Stop talking to me like we're friends!
!كفّ عن الحديث معي وكأنّنا صديقان
¡Y no hables como si fuéramos amigos!
Me parle pas
comme si on était potes.
Non startene lì a chiacchierare 
come se fossimo amici!
Para de falar como se fôssemos amigos!
Тоже мне, нашёл друга поболтать!