Chapter 6: A Decisive Battle: Sentient Armor VS The Abnormal!

Blade Skill Online: Gomi Shokugyou de Saijaku Bukide Kuso Status no Ore, Itsunomanika "Last Boss" ni Nariagarimasu!

This chapter is listed on MangaDex, but the readable pages are not available through the internal reader. It is only available through the official publisher link.