This was the power of the Great Emperor from the ancient times.
No way…
As he was thinking, the ancestor of the Wu family had already floated to the top of a mountain. As his body died, he felt his primordial spirit getting colder and colder. It was as if the connection between him and the human world was being stripped away. Another force from an unknown place was sucking him. If it was anyone else, they would have been sucked away long ago. However, for the ancestor of the Wu family, this degree of suction was just a drizzle. Unless it was a long time, he could really be sucked away.
He leaned over and watched.
He saw that at the entrance deeper in, one of the two juniors he had arranged had already died, and the other was gnawing on the neck of the other person, sucking his blood and using the Corpse Eating Technique to recover his strength.