If there is an afterlife, I will never let you down

Gazing into the distance, Dugu Changkong seemed to see the scenes of his youth, practicing with his masters and elders, playing and fighting, and living a comfortable life.
Later, everything changed. After the elders' cultivation level improved, the smiles on their faces disappeared. They became sentimental and sighed frequently. Not long after, the elders finished their instructions on some sect affairs and passed away.
It was not until Dugu Changkong grew up and reached a certain level...