Gu Zongchen, the Mahayana Cultivator and the natural Buddha son mentioned by Yuan Ji King, was even more powerful than Han Miaojun.
Lu Bei was fully aware that he could not afford to be careless in a battle against such a formidable adversary.
The second stage of the Great Demon Immortal originated from Lu Dong, and since Lu Dong was possessing Gu Zongchen, it's hard to say how powerful the Great Demon Immortal was, but at least Gu Zongchen contributed to nearly half of his Divine Ability and strength.
With the limited duration of the Great Demon Immortal and Gu Zongchen completely understanding his divine skills, the battle had to be resolved quickly.
The time left for Lu Bei was running out.
The Great Demon Immortal pointed to the sky with one hand and to the earth with the other, chanting "Mercy of Demons" as the Black Light Golden Wheel projected his demonic power.