Please give me some face

Nichola looked at Dugu Changkong, who was also in the void, his eyes slightly reddened, he knelt on his knees, and said in a choked voice: "Disciple has embarrassed you."
In fact, Nichola was not clear about Dugu Changkong's identity.
I became his disciple when I was young, and we spent every day together. He was both my teacher and my father, and we had a deep relationship.
Later, Dugu Changkong left a message and turned away: "When you reach the realm of transcending tribulation, we...