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Thirty years quickly passed by.
In the Tianyuan Realm, Shen Long stood on a steep peak, gazing into the tricolor thunderclouds in the high sky.
The Fire Qilin Beast had devoured a total of five Fire Attribute fifth-tier Demon Cores, and after nearly a hundred years, it finally made its breakthrough to the fifth tier.
From the advancement of the Thunder Roc, Iron Tail Scorpion, and Ice Flood Dragon to the fifth tier, Shen Long discovered that the higher the purity of the bloodline of the spirit beasts and spirit birds, the higher their utilization rate of resources.
The Thunder Roc, Iron Tail Scorpion, and Ice Flood Dragon all had a bloodline purity of five, and they broke through to the fifth tier after consuming at most three Demon Cores of the same attribute. However, the Fire Qilin Beast, with a bloodline purity of only four, had to consume a total of five Fire Attribute fifth-tier Demon Cores to make its breakthrough.
