Chapter 601: Chapter 601: Horn Sounds and Drum Beats

Su Bai returned to the Yong’an Building. The successful development of the firearm made him pleased beyond measure. He had not expected it to go so smoothly. Although it had taken some time, the results were worth it.

"Shaman, you seem to be in a very good mood." Yu Ying swished her pink fox tail.

Ever since returning from the forest, she had seen him continuously beaming with joy.