The son of King Jing was Tong Yan.
He was a master in chess games, and excellent at scheming and calculating.
It was his plan that helped Zhao Layue and Liu Shisui kill Luo Huainan outside Green Mountain.
He had only lost once in his life; it was at the Plum Meeting years ago, when he lost to Jing Jiu in Go game.
Hence, in his eyes, there was no other world or other twenty three participants, save for Jing Jiu. He had recorded this statement in the book as well. Of course, he had written many more contents in the book, including the reality of this world, and his purpose for coming here, which was to help his Young Sister become the winner of the Tripod and obtain the Fairy Book of Longevity.
As the door of his room was pushed open, someone walked in along with the wind and snow.
No secret code was provided while knocking on the door, and no permission was requested, so he knew it was his father who had come in.