One of the most hawkish factions of the Demon Realm. Many of it's supporters desired to see Wilbert as the sole leader of the Demon Realm. In order to curb their rising influence, Wilbert faked his death, and the faction lost a considerable amount of power and influence.
Without their charismatic leader, the Moderates would remain in a political struggle with the Demon Lord Faction for years. Upon Mio's return to the Demon Realm in volume 7, tension finally reaches a boiling point, and a decisive battle is fought that decides the fate of the Demon Realm.