Fight seriously and preach in secret

Dugu Changkong was in the vast starry sky, facing the crowd of heroes alone, without changing his expression.
The old man in the coffin was very afraid and had a thought of retreating. If he wanted to fight again, he would most likely be forced out of the ancient coffin, thus being exposed between heaven and earth and wasting his life.
A strong person who has reached this level of power becomes more and more afraid of death as he gets older, and he is unwilling to let the achievements of...