Sarto understood after hearing Thamur's explanation.

The one who betrayed the Bone Race wasn't Trusi, but the family behind him—the powerful Eisenberg Family.

As one of the oldest families of the Bone Race, the Eisenberg Family had always been full of ambition. The past alliance between the Bone Race and Castor had been formed by the Eisenberg Family.

In reality, the reason Sarto had secretly left to report the news of Castor’s arrival to the elders of the Bone Race was because he wanted to avoid eyes of the Eisenberg Family.

The patriarch of the Bone Race knew the Eisenberg Family's foundations. He knew that if he used the Bone Race's...