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Fortnite Doom's Domain Vault location and how to open it with Doctor Doom's Keycard

How to gain access to the vault in Doom's Domain.

Entering the vault in Doom's Domain is one of the challenges you can complete in Fortnite Season 4.

Similar to the Catty Corner vault challenge in Season 3, this challenge sees you defeating a boss NPC, in this case Doctor Doom, to collect the Doctor Doom's Keycard, which you can then use to enter, and loot, the Doom's Domain vault.

Completing this challenge will reward you with XP that will help you climb the Season 4 Battle Pass ranks and possibly supply you with the loot you need to win a match.

Note this particular challenge is no longer able to be completed. What's new? Chapter 4 Season 2 has arrived! New additions include the Grind Rails and Kinetic Blades, along with the new Battle Pass, character collection and Eren Jaeger skin. It's a good idea to know how to get XP fast in Fortnite.

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Doom's Domain vault location in Fortnite at a glance

The vault in Doom's Domain is located in D3 of the Fortnite map, which is the southern part of Doom's Domain.

The location of the vault in Doom's Domain in Fortnite.

The hidden area beneath the football field in Doom's Domain is once again accessible and the vault, guarded by two of Doom's Henchmen, can be found at the bottom of this location.

Be careful when you jump down into this area, as a fall too long will take a portion of your health. You'll also want to ensure that you don't attract the attention of Doctor Doom (if he's there) or either of the henchmen, before you're ready.

The door to the vault guarded by two henchmen.

To leave this area, you can either use the choppa or, if it's absent, the portable toilet near the vault, which will transport you to the basement in Doom Manor.

Fortnite Chapter 5 Season 1 is here! It brings a free Lego Insider skin and redemption codes with it, along with a new Victory Umbrella. We've also got pages on new features like Medallions, Weapon Mods, and how to complete a Train Heist. Meanwhile, learn what the best weapons are in the current season, how to get XP fast, and what the best PC settings are to help earn a Victory Crown.

How to get Doctor Doom's Keycard in Fortnite

If you want to access the vault in Doom's Domain, you need to collect the Doctor Doom's Keycard by defeating him in Fortnite.

Luckily, Doctor Doom will spawn in one of two locations within Doom's Domain every match. These locations are - the area directly outside the vault or any of the floors within Doom's Mansion.

Doctor Doom can appear in either the Doom Mansion or by the vault.

The area outside the vault is obviously the easiest location to find Doctor Doom, because he's confined to a smaller area. The downside with this location, however, is that there's also two Doom henchmen you'll have to defeat. Due to this, we highly recommend taking out these henchmen first, because you'll make the area safer for yourself and be able to use their powerful weapons.

It's a good idea to check the area outside the vault for Doom first, because, if he's not there, you can use the portable toilet near the vault to teleport to the basement of Doom's Manor.

Use this portable toilet to travel between the vault and Doom Mansion.

We also recommend disguising yourself as one of Doom's Henchmen while searching for him, because it will prevent NPCs from attacking you.

Doctor Doom's main attack involves sending balls of green energy towards you, which you can dodge by taking cover and quickly moving out of the way. It's a good idea to keep a certain amount of distance between you and Doom, so that you can see these attacks coming.

If you feel like you're being backed into a corner when battling Doctor Doom, don't be afraid to go on the defensive and look for better ground. He can easily defeat you if you're either too close to him or if you have nowhere to run.

Doctor Doom does have a shield, which you'll have to break before you can cause any deal damage, so we recommend using a shotgun at the beginning of the fight, before moving onto a faster firing weapon to finish him off with.

After you've defeated Doctor Doom, make sure you collect his keycard and then, safely, head to the vault.

Once you're there, kill the Doom's henchmen if you haven't done so already and then swipe the keycard through the terminal next to the vault to gain access.

You can now loot the vault and hopefully collect the items that will allow you to win the match.

If you'd like to learn more about Season 4 of Fortnite, you can check out our guides on the Season 4 Battle Pass Skins, the Wolverine challenges, including how to defeat Wolverine, and the location of Tony's Stark's secret lab.

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Lottie Lynn

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Lottie Lynn is Eurogamer's Guides Editor. She likes exploring new games and still has nightmares about the moon from Majora's Mask.