C536 Path of the Sword Becoming a Deity

Why did he sincerely kneel?

It was a form of respect from the bottom of Guo Nan's heart towards Lao tze predecessors.

When he was still very weak, Lao tze predecessors appeared. Through the power of the Heaven Flipping Seal, he was brought to Chinese Wilderness, allowing him to see a new world, and see many things that he had never imagined would happen