C366 Draconis
As for the black slave and Dugu Wuren, they were fighting. The two of them had cultivated in Profound Immortal Stage, but Dugu Wuren was in the third level of the Profound Immortal Realm, and the black slave was in the ninth level of the Profound Immortal Realm.
In terms of strength, the black slave was clearly much higher than Dugu Wuren. This point was evident from the battle