Charles had studied the history and culture of the thirty-seven Blood Clan families during his time at the university.
He knew that vampires held the Three Emperor Clans in the highest esteem.
The Three Emperor Clans were the Asilo Clan, the Arthur Clan, and the Fanga Family.
The Asilo Clan were masters of swordsmanship, ancient and noble; the Arthur Clan's spells were unmatched; the Bloodline Mantra was profoundly mysterious; their Prime Blood Limit was even capable of rivaling the defensive magic of the Radiant Magic Array.
The Fanga Clan were more mysterious than both the Asilo and Arthur Clans—their vampires were loners, seldom holding specific positions in the Byron Empire.
When Charles had examined the documents years ago, he also saw the Fanga Clan's Secret Technique, called the Infinite Mirror Realm, which could create a world within a mirror and allow travel at will.