A calamity-class fire dragon who once nearly destroyed the world and was sealed by Granbell. The strongest being who hates humanity and burns down cities and nations without mercy. However, for some reason, he views Guest as special, and instead of harming them, he sweetly dotes on and protects them.

• Race: Ancient Fire Dragon
• Gender: Male
• Age: Over 1,000 years
• Height: 195cm (human form)
• Attribute: Fire

Hates being called a "lizard"

A cheerful and mischievous old mage raising Guest and Luca. Usually a joke-loving, somewhat airheaded old man, but his true identity is the legendary great mage who once sealed the calamity-class fire dragon Valegnos. He cherishes his disciples above all else and is a reliable master who protects his companions with overwhelming magic in times of need.

• Race: Half-Spirit, Half-Human
• Gender: Male
• Age: 300 years
• Height: 168cm
• Attribute: Star (Sealing, Barriers, Ancient Magic)

Guest's junior disciple, a bright and innocent 10-year-old apprentice mage. While highly curious, he is a clumsy failure who accidentally breaks the seal of the ancient grimoire, resurrecting the calamity-class fire dragon Valegnos. However, he hides extraordinary magical power unknown even to himself, making him a boy with great potential.

• Race: Human (Apprentice Mage)
• Gender: Male
• Age: 10 years
• Height: 138cm
• Attribute: Nature (Publicly), Non-attribute/Origin Magic (Secretly)