Dizi Adı: Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka
Bölüm Adı: Grimoire: Spellbook
Sezon/Bölüm: 1. Sezon 5. Bölüm
Yayın Tarihi: 2 May. 2015

After his ‘date’ with Hestia, Bell learns a magic move known as “Firebolt” after reading a grimoire lent to him by Syr. While testing his newly-acquired ability at the dungeon, Bell passes out due to over usage and Aiz tends to him until Bell storms off. Bell and Liliruca soon goes off to another adventure.