The quest for Royal One is deeply tied to the history of the former Demon King, Derkila , whose artifacts and legacy become central to the resolution of this arc.

In this chapter, the reaches the final stretch of their ambitious quest to claim the legendary classroom, Royal One . Having successfully collected the signatures of prestigious figures like Student Council President Ameri, Oswell, and Blushenko, the students finally confront their homeroom teacher, Naberius Kalego , with a complete set of 36 faculty signatures. Key Plot Developments

Kalego berates the class, stating that those who do not think critically and thoroughly are nothing but clowns . He argues they failed to fully grasp the scope of his challenge, making their efforts insufficient. Series Context

The arc showcases the growth of the Abnormal Class under "Evil Iruma" (Iruma's wicked cycle), highlighting their transition from outcasts to a unified, dignified group of demons.

When the students demand an explanation, Kalego reveals his true challenge was far broader than they realized. He defines "all faculty members" as every single person employed by Babyls Academy , including: Cafeteria workers School store employees Groundskeepers Librarians

Kalego reviews the documents and admits that, according to their agreement, he must sign if all faculty signatures are present. However, just as the students begin to celebrate, he drops a devastating bombshell: he refuses to sign.