Written and illustrated by Kyoko Shitou

The next phase of the quest begins, with the search for "The Invisible Tower," an elusive location that contains an important clue. A new competitor enters the ring: Fireheart, a man who is impervious to the flames of the Dragon Men. He welcomes Prince Asta and his protector Badd to his castle, where he shares with Asta an important family secret he learned from Asta's father just before he died.