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...
Which part of "leave it to me" don't you get?
أيّ نوع من "دع الأمر لي" لم تفهمه؟
Wie oft soll ich noch sagen,
ihr sollt das mir überlassen?!
¡Les digo que me lo dejen a mí,
¿no entienden?!
¡Que lo dejéis en mis manos os digo!
Je vais m’en occuper, dégagez !
"मुझे दे दो" का कौन सा हिस्सा
तुम्हें समझ नहीं आया?
Quante volte devo dirvi di lasciare fare a me?!
Qual parte de "Deixa comigo" 
você não entendeu?
Сказал же: отдай, сам разберусь!