The first planet you’ll visit in The Outer Worlds 2 is Paradise Island, a vast map filled with many side quests and rewards. One of these is unlocking High Security Lockboxes, which offer a variety of rewards. However, to open them you need advanced decryption keys. If you are feeling stuck finding those keys, we have created a guide to help you locate them and open high-security lockboxes.
Advanced Decryption Key Location #1: Fairfield
Head over to the More Perfect Goods Shop in Fairfield and interact with the shopkeeper to get an Advanced Decryption key. While talking to Arthur Cromby, the shopkeeper, click on the first dialogue that reads, “[Open Vendor] I’d like to see the goods you have for sale.” Apart from other items in the shop, there will be one key that you can buy.
Advanced Decryption Key Locations #2 & #3: Sovereign’s Sweet Spire Grove
Fast travel to Sovereign’s Sweet Spire Grove to find two keys hidden in the mountains. When you reach there, climb onto the buildings to find an ascending pathway. Take the first right, then left, again left, and then a right to reach a crate containing the key.
To find the next advanced decryption key, head left from the crate onto a descending path. From there, take a ramp up to the next mountain and keep climbing upwards until you reach Acquisitional Integrator Othaham. Head straight ahead and take a left to reach another key.
Advanced Decryption Key Location #4: Fairfield Fisherman Outpost
Fast travel to the Fisherman Outpost, southeast of Fairfield, to find the key on the table at the outpost.
Advanced Decryption Key Location #5: Ministry of Accuracy
Fast travel to the Ministry of Accuracy and head up the stairs into the building to reach the hidden key under the hat. Take the first right, then a left, climb on the staircase on the right wall, then take a left to climb another staircase.
Again, take a left from the second staircase to jump over platforms and reach the highest possible point. From there, jump down from the broken handrail downwards into a square hatch opening. You’ll find an Indantry cap, lift it up to reveal the key for yourself.
Advanced Decryption Key Location #6: Near Ministry of Accuracy
Head north from the Ministry of Accuracy to reach a seaside outpost and unjam the door using either the Brawny trait or the Engineering 1 skill. You’ll find the key on the table at the outpost.
Advanced Decryption Key Locations #7 & #8: Automech Repair Center
Fast travel to Euphoria Coast Automech Repair and then to Hazel’s shop to get two more keys. Interact with Quartermaster Automech by clicking on “[Open Vendor] Initiate commerce.” It will take you to a shop where you can buy two advanced decryption keys.
Advanced Decryption Key Location #9: Skycutter A102
Fast travel to Skycutter A102 and then head into the building to find a locked crate with the key. Move ahead in the building and take the left staircase to find a locked crate at the corner of the basement. You need to complete the Who Else But Us side quest to get an Armorial ID to open the crate. After getting the Armorial ID, you’ll find the keys inside the crate.
Advanced Decryption Key Location #10: Substation Near Skycutter A102
Travel north-east of Skycutter A102 into a waypoint, bypass the gate using the Engineering 3 skill to get a key. At the farthest corner of the waypoint, there will be a crate with electricity blocking your path. Find its power source and turn it off to get an advanced decryption key.
Advanced Decryption Key Locations #11 & #12: Southern Edge of Paradise Island
To get these two keys, you need to activate the power in a building from the substation present north-west of the building. Activate power by climbing up the substation to start power in the tower using either the Engineering 3 skill, Innovative trait, or a substation repair kit.
Next, head over to the substation, and you’ll find one key inside a safe in a small room. The next key can be found in the bedroom of the substation on a table.
Advanced Decryption Key Location #13: Vox Relay
To gain this key, progress in the main quest ‘The Saboteur of Paradise’. During this quest, you’ll find a hidden room in Vox Relay if you have the Observation 5 skill. The room will be present behind a red wall, which opens when you interact with it. Inside, you’ll find the Advanced Decryption key on the shelf.
Advanced Decryption Key Locations #14 & #15: Vox Relay
There are two more keys available during the ‘The Saboteur of Paradise’ main quest in the De Vries’ safe room. Head over to the De Vries’ safe room in Vox Relay. You’ll find two keys inside a container in the safe room.
Advanced Decryption Key Locations #16 & #17: Side Quests Rewards
You need to complete side quests ‘Schemes of the Secret Smugglers’ and ‘Diabolical Drones of Doom’ to gain two Advanced Decryption keys from them. Read all Compliance Investigations Notations in Fairfield jail to start the Schemes of the Secret Smugglers quest. Accept the WANTED: Drones bounty from the computer terminal near the front door in Fairfield jail to start the Diabolical Drones of Doom side quest.
For more guides related to The Outer Worlds 2, do check out How to Defeat Brigadier Montelli and On the Trail of the Traitor Switch Puzzle Guide.
