The Pact-Maker, a mystical Guardian, can be said not as a type of mystic Spellcaster, but rather as a human vessel that maintains the secretive mechanisms of mysticism. They sign a contract with the concept of "Mysticism" and become puppets of the rules.
"Pact-Makers are quite useful tools," said Serio, taking advantage of the rules that Pact-Makers must keep secrets, which prevented the journalist from divulging Serio's infiltration into the Andrei Academy. It should be said that the moment journalists lost their own secrets, they no longer had any advantage over Serio. The scattered blond hair shone brilliantly in the sunlight, and the leaves of the ivy on the wall seemed to become a bit more vibrant under this golden light. Serio, backlit by the sun, looked at the journalist with a gaze similar to that of compassion and pity.