He naturally recognized who the other person was.
Back when he had menacingly declared that he was going to kill Zhuge Wuwo, this old man had suddenly appeared out of nowhere from within Zhuge Wuwo, and then handed him a Heaven Dao Token, hoping that he would spare Zhuge Wuwo's life.
It was precisely because of that Heaven Dao Token that he had gained some inspiration for creating the Myriad Realms Tower.
Chapter 629