Investigate the Theft of Camp Supplies is a side quest in Wuthering Waves. You will be helping in Beigu’s investigation of the missing camp supplies. You will receive the following rewards:

200 Union EXP

30 Astrite

1 Advanced Resonance Potion

1 Advanced Energy Core

10000 Shell Credits
How to Begin Investigate the Theft of Camp Supplies Side Quest
To begin this side quest, you must be within the vicinity of north of Jinzhou. The side quest marker should appear on the map in the camp. Talk to Beigu to begin the side quest.
Investigate the Theft of Camp Supplies Walkthrough
Speak to Guard
After speaking with Beigu, follow the side quest marker to further investigate. This will take you to the guard tower. Speak to the guard Duying to continue with the quest. After speaking with the guard, return to Beigu to report about your findings.

Find clues
You will need to find clues within the base to help you with the investigation. These clues are gold and glowing, and can be interacted with. The first clue “Supply Request Form” is on the table across Beigu. The second clue, which are footprints, is near the wide stairs. Interact with both clues then return to Beigu.
When asked who it might be, the correct answer is Wuheng. There’s no consequence in choosing the wrong answer but you’ll have to choose correctly to proceed.
Confront Wuheng and lower water level
Follow the side quest marker that leads you to Wuheng. Once Beigu wants to have a word with her, you’ll have to lower the water level by using the control panel located in the eastern side of the base. Once lowered, retrieve the lost supplies then return to Beigu.
This marks the end of the Investigate the theft of camp supplies side quest in Wuthering Waves!