What to know
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Leather Armors of the World, Vol. III is a crafting book that unlocks high‑tier leather armor blueprints when read.
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It is found inside a locked house in the Muiquun area, southeast of Tommaso and near the Tashkalp map label.
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You must use a key and a mask to break into the house, then steal the book from a bookshelf inside.
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Once you have the book, examine it in your inventory and visit any smithy to craft its new leather armor pieces.
Leather Armors of the World, Vol. III adds late‑game leather sets to the smithy’s catalog, and grabbing it requires a stealthy key‑lockheist inside a specific building in the Crimson Desert region.
Leather Armors of the World, Vol. 111 crafting book details
How to reach the Muiquun book location
Leather Armors of the World, Vol. III is tied to a civilian house in the Muiquun settlement, which sits in the Crimson Desert region southeast of Tommaso and just north of the Tashkalp open‑world label.

Head to the main road‑side portion of Muiquun, then look for a small side alley stepping off the main track; the house you need is on the right‑hand side of that alley. The building is clearly marked by a locked door, so you cannot miss it once you are in the correct part of the settlement.

To maximize your chances of a clean theft, approach the area early in the day when fewer patrols are online, and clear any nearby enemies before starting the heist. Keep your shield up or your bow ready in case a guard spots you mid‑run, and stay near cover until you are inside the building.
Step‑by‑step guide to stealing the crafting book
Step 1: Prepare key and mask before entering Muiquun
Before you head into Muiquun, make sure you have at least one common key and a thief’s mask in your inventory.

These can be purchased from the back‑alley black‑market shops scattered around the major cities; having them ready avoids wasting time back‑tracking if the lock refuses to budge mid‑mission. Put the mask on your hot‑bar so you can equip it quickly once you are inside the house.

Step 2: Find the locked house on the side alley
From the main road in Muiquun, sprint across the dusty central strip until you see a narrow side alley branching off.

Turn left into that alley, climb the stairs, and look for the house on the right‑hand side; the front door is clearly sealed and will not open with normal interaction.

Approach the door slowly and make sure no nearby civilians or guards are facing it, as picking the lock will draw attention if you are too exposed.

Step 3: Unlock the door and enter using the key
While facing the locked door, use the key from your inventory to trigger the lock‑picking prompt. Hold the interaction button until the lock gives way and the door opens; if you fail, you can repeat the attempt with a fresh key.

Once the door is open, step inside quickly and shut the door behind you to reduce the chance of being spotted from the street.
Step 4: Equip your mask and steal the red book
Once inside the house, equip your thief’s mask from your inventory so you are in full stealth mode.

Move toward the bookshelf in the main room; the crafting book appears as a thick red‑bound tome sitting on one of the shelves.

Use the “Steal” action on the book to add it to your inventory, then back‑away from the shelf to avoid accidentally triggering another theft check.
Step 5: Let the heat level drop and read the book
After taking the book, you will see the cry‑meter or heat gauge start to rise as the theft registers with nearby NPCs. Stay inside the building or duck into nearby cover and wait for the heat meter to tick back down to a safe level before exiting the house. Once the heat has cooled, open your inventory, select Leather Armors of the World, Vol. III, and use the “Read” or “Examine” option to learn all of its recipes.

Step 6: Craft the new leather armor pieces at a smithy
With the book read, head to any smithy in the Crimson Desert or nearby territories to access the new crafting menu.

The manual will add several high‑tier leather armor pieces, such as reinforced chest armor, cloaks, and accessories, each requiring Leather, Thick Hide, and Fine Leather in various quantities. Collect the listed materials either from hunts, merchants, or resource nodes, then craft the pieces one by one to complete your late‑game leather loadout.

Rewards and unlocked armor pieces
Once Leather Armors of the World, Vol. III is learned, the smithy adds a small catalog of new leather‑based armors. The exact set may vary by region, but the table below reflects the typical reward structure unlocked by this manual.
Using this book in your Crimson Desert loadout
Leather Armors of the World, Vol. III is best saved for mid‑to‑late act progression, when you already run a leather‑focused build and want to push your defense and survivability without sacrificing kitting speed. Because the materials are relatively expensive, plan your hunts around large beasts or resource‑rich nodes that drop Thick Hide and Fine Leather, such as the desert predators or industrial‑area fauna. Once you have enough stock, grind out the full set at the smithy and pair it with a fast‑draw weapon and a light cloak for a true “dancer”‑style Crimson Desert main.