Tools/materials: iPhone 13, IOS 15.3, Protogod 2.6.
1. Open the game map and click [Send] to go to the camp in northern Liu Lifeng.
2. Find and talk to the chief secretary Muning on the left side of the camp.
3. Get Mu Ning's notes after completing all the story dialogues.
4. According to the notes, three ancient stones were found in the layered Juyuan mining area.
5. Return to Liu Lifeng camp, hand over three old stones to Muning, and successfully start the Muning mission.