Season 2 of Call of Duty: Warzone is live, returning the popular Fortune’s Keep map to battle royale. Similar to the Vanguard-era version of the map, there’s a new vault Easter egg to complete, and here’s how you can unlock it.

How to complete the throne vault Easter egg

You’ll want to head to the map’s Keep point of interest, which is the main part of the castle. Head into the courtyard and enter the large throne room, and you’ll see a wall-mounted torch on each side of the throne.

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First, you need to light both torches. Then hop on to the seat of the throne to trigger a new staircase to open up on the floor. A spiral staircase leads you down into a puzzle vault room.

Inside the vault room there are several more torches to light, but you don’t want to do that step just yet. Instead, head to the back of the vault room to find a circular vault door. Above the door are three small vent holes. You need to use fire on the holes above the door to reveal more of the puzzle. This is easily done by using some of the molotovs or thermite sticks littered around the room.

Hitting the vents above the door with the fire from a molotov or thermite causes circles to light up on the door. The order the lights show on the door represents the specific torches you need to light around the room. This looks to be a random order for each match. The vault door opens once you’ve lit the correct torches.

The vault gives you access to orange high-tier loot boxes, plenty of killstreaks, and gold rarity guns. Completing this Easter egg also earns you a permanently unlocked reward with the Genus Firmamentum large weapon decal.

Modern Warfare 3 multiplayer also received new Season 2 content, which includes a new Ninja perk vest, and here’s how you can unlock it.