Watch Online Free on Watchseries. After facing many dangers in the brothel town, Tanjiro, Zenitsu and Inosuke, along with the Flame Pillar Tengen Uzui, enter a deadly battle with the Upper Moon Six pair – Daki and Gyutaro. The fierce confrontation not only shows the strength of teamwork but also highlights the spirit of sacrifice of the Pillars. This is one of the most epic and emotional battles in the entire series.