Quick Links
After meeting Hook in Boulder Town inHonkai Star Rail, she will often reach out to you to help her team The Moles. Oftentimes, they will be on the lookout for treasures in the Underworld.
RELATED:Honkai Star Rail: Ever-Changing Adventure Mission Walkthrough
As you get deeper into Hook’s Companion Missions, you’ll unlock The Adventurous Moles mission, where you’ll be given a copy of the book by one of the Moles members. Here is how you can complete the mission.
How To Unlock The Adventurous Moles
Before you can get to The Adventurous Moles, you will have to completea few missionsfirst. This includesthe first two Hook Companion Missions, Old Foreman’s Treasure and Hook’s Treasure.
You will also need to at least be atTrailblaze Level 24, and have defeated Cocolia in the Jarilo-VI Main Story.Once you’ve done all of this, you may make your way toBoulder Townand useNatasha’s Clinicfast travel spot. Approach Julian just outside the clinic to get the mission started.

First Treasure - The Great Mine
During your chat with Julian, he will provide you with thepreface and table of contents of The Adventurous Moles book.The table of contents is the page you will be referring to often in order to find the exact location of all four treasures.
To find the first treasure, make your way intoThe Great Mine and use the Overlook fast travel point.Then,head east to the marked area on the map.In this spot, look over to your left where you’ll notice a large cliff. On the side will be an oil tank, andon top of it will be a sheet of paper.This sheet of paper will give you tips on how to find the first treasure, which requires you tomove a lamp to the correct location.

Now,head east to the next labeled area.Once you reach the location, there will be a lone lamp sitting on a box.Pick this up,and then look just behind you where you’ll find a bunch of fences with lamps hanging on the front.Place the lamp on the fence that is missing one,and the treasure will then appear in the middle of the room. After this,return to the same location where you started near Natasha’s Clinicto tell Julian what you found.
RELATED:Honkai Star Rail: Requiem Mass Adventure Mission Walkthrough
Second Treasure - Backwater Pass
To find the second treasure, you’ll want tohead to Backwater Pass and use the Transport Hub fast travel spot towards the south.You will need to find a café in the area, which will be at thelabeled location on the map with the blue arrow.
When you reach the café, you’ll finda bench to the rightwhich will have the instructions for the treasure in the area. For this one, you will need tomanipulate one of the chairsat the tables outside the café.

Walk over to where all the tables are, andapproach the one with a chair sitting on top of the table.First,lift up the seat,and thenlay it flat on the ground.The treasure will then appear right next to the table.
Third Treasure - Rivet Town
For the third treasure, make your way toRivet Town and use the Abandoned Market fast travel point.From here, head immediatelynorthwest through the double doorsinto the cave.
As you immediately walk into the small cave, you’ll finda piece of paper on the right next to the doorway.In the main area of the cave, there will betwo shelves, one on the left and one on the right, that have boxes on top.You will need to rearrange them, so they match each other.

To do this, firsthead to the shelves on the left side with four boxes on it.You’ll want topick up the crate in the middle,and then make your way over to the shelves on the right side of the room.Place the crate on top,and the treasure will appear.
RELATED:Honkai Star Rail: Fleeting Lights Adventure Mission Walkthrough
Fourth Treasure - Silvermane Guard Restricted Zone
The last treasure will be located within theSilvermane Guard Restricted Zone.Head to theFrontline fast travel point,nearby to the Corridor of Fading Echoes exit. When you arrive, there will be anote hanging on the right-hand walldirectly beside the fast travel point you can pick up.
You will need to check thefour different gun standsin the immediate area to make sure they all have exactly three guns. To start,head forward and turn right.Just down here will be a gun rack to your left, with only two placed on it. On the side,pick up the nearby gun and then place it on the rack.

Now,head back towards Gepard.Approach the gun rack just behind him, andpick up one of the guns and place it on the rack.The last rack will beto the left of this area.You’ll finda gun to the side of the rack that you can pick up and place,unlocking the treasure in the middle of the frontlines.
Now that you’ve found everything, you’ll need toreturn to Julian in Boulder Townone more time to update him on your findings. Then,head to the Central Plaza in the Administrative Districtand hand over the pages to Nika. The mission will then wrap up, and you’llreceive your rewardsincluding 30x Stellar Jade.