Qin Huai had guessed correctly. The secret behind the cultivation of the blood beasts lay in the foundation of the blood heart technique. After absorbing much knowledge from the Beast King lineage, he understood how to use the blood heart technique to control these creatures.
Raising a finger, he squeezed a drop of blood from it. The blood danced and then took the form of the eight royal symbols: the black tortoise, Qilin, white tiger, and white dragon, among others. This was the blood spirit manipulation technique. Blood beasts were created in the image of these eight royal clans.
"With the blood heart technique, one can control the blood beasts," Qin Huai realized.
When mastered, every one of his followers could command a blood beast, creating a formidable beast cavalry. In his mind, he pictured this cavalry, unmatched in combat, sweeping through cities with ease.