Lies of P - Where to Buy Hidden Moonstones

A guide on where to buy Hidden Moonstones in Lies of P, including shop location, requirements and conditions to purchase the upgrade material, required key items, merchant NPC, and other useful tips.

Lies of P - Where to Buy Hidden Moonstones

Where to Buy Hidden Moonstones in Lies of P

Can be bought at Polendina’s shop at Hotel Krat after giving him the Krat Supply Box.

You can buy Hidden Moonstones in Lies of P at Polendina’s shop (Hotel Krat) after giving him the Krat Supply Box functional item.  Once you hand over the required item, Polendina will add Hidden Moonstones to his stock as well as Dark Moon Moonstone of the Covenant and Bright Red Apples.

Hidden Moonstones cost 300 Ergo each and will be in unlimited supply at Polendina’s shop.

How to Get Krat Supply Box

The Krat Supply Box is found at the top of the wooden tower in St. Frangelico Cathedral Chapel. The treasure chest containing the item is guarded by a mid-boss Decay enemy. After killing the enemy, check the right side of the passage to find the chest.

New Items at Polendina’s Shop (After Delivering Krat Supply Box)

Item Price (Ergo) Stock
Hidden Moonstone 300 Unlimited
Dark Moon Moonstone of the Covenant 1560 2
Bright Red Apples 1000 1

What are Hidden Moonstones?

Hidden Moonstone is a type of material used to upgrade normal weapons up to +3. The item is found as loot all throughout the game and is among the most useful collectibles to look for during the early chapters of the main story.

In-Game Description
“A rare enhancement material that can be obtained in different parts of Krat.
It can upgrade the blades of common weapons.
The moonstone was not from this world. However, it was the most optimal enhancement material.
In their urgency, technicians pushed forward with using the Moonstone for weapon upgrade without time to review it any further.”

Lies of P How to Upgrade Weapons

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Lies of P Basic Information

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PC System Requirements Game Controls
Does the Game Have Multiplayer? Does Demo Progress Carry Over?
Early Access and Global Launch Times

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Best Builds Guide
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Chapter 1 Chapter 2
Chapter 3 Chapter 4
Chapter 5 Chapter 6
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Chapter 11
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All Endings Guide

Lies of P Boss Guides

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Parade Master Mad Donkey
Scrapped Watchman King's Flame, Fuoco
Fallen Archbishop Andreus Eldest of the Black Rabbit Brotherhood
Mad Clown Puppet Romeo, King of Puppets
Champion Victor Puppet-Devouring Green Monster
Corrupted Parade Master Black Rabit Brotherhood (Second Battle)
Laxasia, the Complete
Boss List

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Useful Guides

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Trophies and Achievements List Post-Game Unlockables
Permanent Events and Missable Features All Endings Guide
Best Ending How to Get Proof of Humanity
How to Get Golden Lie New Game Plus (NG+) Guide
Things to Do Before NG+ Which Combat Style Should You Choose?
Lie System Answers Guide Best Stats to Level Up
Best Builds Best Weapons for Each Build
Best Weapon Combos Best Boss Weapons
Best P-Organ Abilities Ergo Farming Guide
All Side Quests List and Locations How to Respec Stats
Stat Soft Caps Guide

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All Normal Weapons List and Locations All Boss Weapons List and Locations
All Legion Plugs List and Locations All Legion Caliber Locations
All Quartz Locations All Trinity Key and Trinity Sanctum Locations
All Cryptic Vessel Locations and Solutions All Special Grindstones List and Locations
All Handle Altering Materials Locations All Blade Upgrade Materials Locations
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All Functional Items List and Locations How to Get All Costumes
All Gestures List All Boss Ergos List

Gameplay Guides and Tips

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Stats Guide How to Perfect Guard (Parry)
Death Penalties and Mechanics Guide Combat Guide
Guard Regain Guide How to Level Up and Increase Stats
How to Use and Modify Legions Arms How to Equip and Use Items
How to Assemble Weapons Weapon Durability Guide
Quartz Guide P-Organ Guide
Specters Guide Fable Arts Guide
How to Upgrade Weapons Fatal Attack Guide
Pulse Cell Guide Cubes and Wishstones Guide
Where to Buy Hidden Moonstones How to Upgrade Shops (Hotel Krat)
How to Unlock Hermit's Cave How to Get Golden Fruit Coins
Weight Guide

Lies of P Database

Equipment and Skills

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Weapons Blades
Handles Weapon Combos
Normal Weapons Special Weapons (Boss Weapons)
Swords List Greatswords List
Blunts List Large Blunts List
Daggers List Legion Arms
Amulets Fable Arts
Gestures Consumable Items

Parts, Materials, and Collectibles

▼Lies of P Parts and Materials Database
Defense Parts Quartz
Legion Plugs Legion Calibers
Blade Upgrade Materials Handle Altering Materials
Special Grindstones Functional Items
Records Cryptic Vessels


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Costumes Outfits

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