Defeating a boss will reward you with all kinds of loot inFortniteChapter 5, Season 1. One of the most valuable items dropped by bossesis their medallion, which can be used to unlock a nearby vault. Besides containing a bunch of rare loot, these vaults also contain the new Mod Benches.

Mod Benches allow you to apply modifications to your weapons in exchange for Gold Bars. With a mod bench, you’ll be able to change a weapon’s scope, magazine, under barrel, and barrel. While these modifications can be pricey, the right combination of upgrades can easily turn the tides in your favor.

A player standing in front of a vault hidden under an arch at Lavish Lair in Fortnite.

Lavish Lair

You’ll have todefeat Oscar at Lavish Lairto unlock the nearby vault. After youobtain his medallion,go to the back of his mansion, into the backyard.

Here, you’ll seea pond shaped like a plus sign, surrounded by rectangular hedges.Under the steps leading down into the backyardis a tunnel that leads straight toOscar’s vault.

A player standing near a vault tucked away in the cellar at Fencing Fields in Fortnite.

Mod Benches are typicallylocated inside vaults on the left side.Mining the nearbyGold Bars inside vaultswill give you enough goldto afford at least one weapon modification.

Fencing Fields

Nisha at Fencing Fieldsholds the key to unlocking this vault.

After taking her medallion,go to the outdoor area with tables and wooden flooring.Here, there will be astaircase that leads to the basement.

At the bottom of the steps,take a left and enter the white doorin this new room. Continue on down andenter the brown door.In this room, go through thebrown door behind the bartop;the vault will be on theleft wall of the cellar.

A player standing close to a vault in the basement of the Grand Glacier Hotel in Fortnite.

Grand Glacier

Defeating Montague at the Grand Glacier Hotelwill give you access to the vault. After getting his medallion, head inside the hotel and thenenter the white door on the left side of the staircase.

Move forwardthrough the broken walland headdown the steps on the right.At the bottom of the stairs, the vault will be on theright side.

A player standing close to a vault in an underground hallway at Reckless Railways in Fortnite.

Reckless Railways

Battle against Valeria at Reckless Railwaysto get entry to the vault here. With her medallion, go to thehouseon the southeast corner of Reckless Railways.

At the back of the house, there’sa spiral staircase that leads into the basement.Go down the steps andtake the first left in the hallway, the vault will be here on theleft side.

A player standing close to an open vault in the mansion basement at Snooty Steppes in Fortnite.

Snooty Steppes

Eliminating Peter Griffinat his mansion in Snooty Steppeswill let you open the vault here. With his medallion in tow, go inside his mansionthrough the front door, then head left.

You’ll eventually come across a staircase and shouldhead down these steps to reach the basement.Continue down these stairs; you’ll find the vault at the bottom of the stepsin a giant room.