In one of the books introducing the various major forces of the continent in the Extraordinary World, there is a detailed record of the Solomon Clan.
The Solomon Clan is also known as the "Solomon School," a special school controlled by a family with common bloodlines, where the witchcraft passed down can only be performed by those with Solomon family blood.
Because, according to legend... their ancestors once made an eternal covenant with the Demon God of the Lower Realm!
Focusing on various ritual witchcrafts revolving around the [Summoning Art], by analyzing true names, they can command various powerful demons from the Lower Plane, and the ultimate knowledge of the school is the [Summoning Demon Pillar].
The book even records an unverified rumor.
The ancestors of the Solomon Clan had actually reached a pinnacle longed for by countless wizards and even realized the ultimate knowledge of the school, becoming a living mysterious source of the school!
