The goodwill of the weak is negligible.
The goodwill of the strong, however, is immensely precious.
Even if each of these Great Ancient Emperors had a supremely arrogant temperament, it didn't mean they were foolish enough to stubbornly resist when faced with a stronger being who offered goodwill.
There might be such obstinate Great Ancient Emperors, but truly, they were few.
If it hadn't been for Pei Xuanjing's initial display of power, which revealed his formidable deterrent force, relying solely on the abilities shown by the Fire Virtue Star Lord, these Great Ancient Emperors would certainly have been tempted by their own interests and would not have easily compromised.
But the strength displayed by their current opponent far surpassed their own, and even if they united against this mysterious force, victory was not assured.