The battle with the White Whale comes to an end. However, Subaru's fight is not yet over. To stop the Cult of the Witch, Subaru heads to the Mathers domain to confront his hated enemy, Petelgeuse.
- Episode 33: Squaring Past & Present
- Episode 34: A Beeline Toward Sloth
- Episode 35: Complications in Hunting the Cult
- Episode 36: Fight--
- Episode 37: Spirit Knight
- Special Short Story: On the Eve of Battle, Thinking of You