Based on this alone, one could perceive the extraordinary nature of the Emperor's elder brother.
Those who could become elite powerhouses of the Celestial Clan possessed a cultivation base of at least the Early Hunyuan Da Luo Golden Immortal realm and were capable of connecting with a tributary of the River of Destiny during combat, making them practically invincible within the same realm.
Naturally, among the Fierce Beasts, there were also powerhouses capable of slaying elite members of the Celestial Clan. However, once a Celestial Clan elite was killed, the River of Destiny would brand them with a death mark.
Chapter 102