Who stole the detector in Honkai: Star Rail

The quest "The Treasure of the Old Brigadier" is completed on Yaril VI in Honkai Star Rail. So, who stole the detector.

The additional task "The Treasure of the Old Brigadier" will become available after receiving a mass mailing from Julian on your smartphone. Go to the Underdark and talk to him.

Head to the Big Mine and deal with the enemies that are blocking the Hook. The girl will tell about the missing detector.

Conversation with the cook, dressmaker, merchant and assistant

All four suspects must be interviewed. Ask them three questions. We need to find out what they were doing at the time of the crime, their opinion about Mr. Fersman and ask about the detector.

The merchant will say, take a closer look at the cook.

Who stole the detector in Honkai: Star Rail?

One of the suspects in the "Old Brigadier's Treasure" mission is lying:

• According to the cook, the assistant did it.
• The dressmaker claims that she is not guilty.
• The merchant says to look at the cook.
• The assistant is also not to blame.

The cook stole the detector.

What happens if you don't guess who the culprit is?

The passage of the quest will be delayed. Again it will be necessary to investigate. As a result, we catch the cook red-handed. He will try to sell the detector.