|Caules Forvedge Yggdmillennia|
|Normal | Concept Art|
|Character type:||Human, Master|
"Berserker, let's go too."
— Caules Forvedge Yggdmillennia.
Caules is a member of Yggdmillennia. He is Fiore's brother. He had to accept many special conditions to be allowed to become a Master. He summoned his servant using blueprints for the "ideal human".
He is shown as being immature and childish, despite being eighteen years old.
His speciality is summon magic. As opposed to his genius sister, he is only an average magus.