Bab 139: 137. Older than Fighting Spirit

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The Ebulrahan Clan is known as the top Vampire Knight family.

As one of the Three Emperor Clans, the Asiluo Clan ranks even above the Ebulrahan Clan. The reason it is not considered the premier Knight family is that the Asiluo Clan has always been more classical, now somewhat of a niche lineage of swordsmen.

The Angel's Thorn practices a form of Battle Qi that is even older than Fighting Spirit.

Fighting Spirit comes from the surging life force of Knights, while Battle Qi originates from the warriors' unyielding and relentless combat will!

Charles had recently mastered the Colorless Blade, and had broken through the First Order of Battle Qi. At this moment, he was channeling the Asiluo Clan's Secret Techniques at full strength, a faint golden glow emanating from his body.

It wasn't until now that he truly appreciated how talented Protagora, the Great Philosopher of the Human Race who created Bloody Glory, really was.