This article is part of a directory: Persona 5 Royal: Complete Guide And Walkthrough
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With so much good loot on the line in locked treasure chests, Persona 5 Royal’s permanent lockpick, heralded as the Eternal Lockpick, is a pivotal tool. Though acquiring it will take some doing on your part, its uses are infinite – literally.

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No more will you need to worry about crafting dozens of one-use lockpicks in the days leading up to your palace infiltrations. With this one simple tool, Joker is set to go for the rest of your time in Tokyo. With prep work to do and items to acquire, here’s how you can unlock Persona 5 Royal’s Eternal Lockpick.

Updated on December 12, 2022, by Gabrielle Castania: With Persona 5 Royal having recently been ported to new consoles, we wanted to dive back into our old Thieving ways to make sure the info here is as polished as possible for the new players.

How To Get The Recipe For The Eternal Lockpick

persona 5 royal joker and morgana from the anime at a club

Morgana is your ticket to learning to make the Eternal Lockpick. When Mona’s Confidant reaches Rank 6, Joker learns the ability Ace Tools, which allows you to craft new infiltration tools. This is typically done at the desk in your room, but raising your Confidant ranking with Sadayo Kawakami will allow you to occasionally craft in school as well.

The good news is that Morgana’s Confidant progresses automatically with the story. The bad news, however, is that he doesn’t reach Rank 6 until the very end of August, after you’ve finished Futaba’s Palace. The ranking will happen automatically on 8/29.

The end of August seems late, but Futaba’s is only your fourth palace out of a possible ten (so long as you’ve cleared the requirements to unlock the Third Semester that was added in Royal). So there’s still plenty of time to get some mileage out of the permanent lockpick once you’ve made it.

Related: Persona 5 Royal: Guide To Every Trophy

How to Craft the Eternal Lockpick

Persona 5 Eternal Lockpick

Once you’ve unlocked the Ace Tools ability, there are two ingredients Joker will need to find in order to craft the Eternal Lockpick. Those are:

  • 20 x Aluminum Sheets
  • 10 x Liquid Mercury

Where To Find Persona 5 Royal's Aluminum Sheets

For the most part, you find Aluminum Sheets in Persona 5 Royal going through palaces. Be on the lookout for search objects as you’re dungeon-crawling – they’re the items Joker can use his Focus to locate and smash to receive a small trinket. They can also be obtained from certain shadows in the same dungeons.

The palaces/paths where the Aluminum Sheets are available are:

There are shadows in these areas that might drop Aluminum Sheets as well. Cu Chulainn has a 66 percent chance, Ose and Kurama Tengu both have a 50 percent chance, and Anzu has a 30 percent chance.

In addition to the free Aluminum Sheets in palaces, in Persona 5 Royal, you’re able to purchase them as well. Beginning on 9/1, Akiba Electronics will have two Aluminum Sheets available each week, which restock every Monday. However, they cost ¥4,400 each, so it’s much cheaper to dungeon-crawl for them.

Where To Find Persona 5 Royal’s Liquid Mercury

Like Persona 5 Royal’s Aluminum Sheets, Liquid Mercury is available from search objects in palaces. They’re available in every area where you find Aluminum Sheets, but Liquid Mercury is also available in the secret Third Semester palace as well.

Like the Aluminum Sheets, certain shadows can drop Liquid Mercury as loot. Ganesha has a 60 percent chance, Garuda has a 40 percent chance, and Decarabia has a 20 percent chance.

Additionally, you can purchase them, too. A single Liquid Mercury will be available at the Secondhand Shop Yumenoshima in Yongen-Jaya beginning on 10/1. However, it’s even pricier than the Aluminum Sheet at ¥6,600 each, but like Akiba Electronics, Secondhand Shop Yumenoshima restocks every Monday.

Tips For Farming The Crafting Ingredients

Persona 5 Hold Up in battle

As well as simply defeating enemies and hoping for good RNG with their drops, you can farm more efficiently with the "Hold Up!" feature.

Down all enemies by hitting their weaknesses to trigger a "Hold Up!" and then ask them for items during negotiations.

To make this process go a bit quicker, get Ryuji's Chariot Confidant to Rank 7. At this rank, Ryuji learns the Insta-Kill ability, which allows him a chance to immediately kill the opposing shadows when entering. Him using it isn't a guarantee, even after it's unlocked, but it can definitely help you speed up your farming session.

But before you go hunting for items, be sure to pay Jose a visit to cash in your stamps. If you're searching for the items in Mementos, Jose will trade stamps for changing the cognition of Mementos in some way, and one of his options is increasing the loot drops in Mementos. This can be built upon throughout the game, so make good use of the stamps for farming.

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