C1344 Why Is the Enemy Not Moving

He opened the letter and saw an image along with some words.

The image was a diagram of all the mechanisms and passages of the Chateau, and the words were annotations.

Although it wasn't a simple word, Prof. Huang, who had already researched it, seemed to feel no pressure at all.

"I've struck it rich. Not only is this the map of the mechanism for Zhu Sha Castle