Unstable Element

Overview

Taxi! - Emote - Fortnite This item can currently be obtained in Battle Royale.
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It is available in the loot pool and can be obtained through different means.

Whoa, what's this thing?
— In-Game Description

Unstable Element is an Uncategorized Item in Fortnite: Battle Royale that was added in Chapter 7: Season 1.

Functionality

Functionality[]

The Unstable Element is used to open the vaults found in each segment of the underground Particle Accelerator.

Stats

Stats[]

Unstable Element - Item - Fortnite Unstable Element
(Epic)
Max Stack 1
Obtaining

Obtaining[]

As of Update v40.40 (May 18th 2026), Unstable Element can currently be obtained in Battle Royale and Zero Build by pressing a teleporting button at the end of the Particle Accelerator underneath certain locations.

Obtaining History[]

Chapter 7: Season 1[]

Update v39.00[]

  • Can be obtained by pressing a teleporting button at the end of the Particle Accelerator underneath certain locations.

Chapter 7: Season 2[]

Update v40.30 (May 11th 2026)[]

  • Can not be obtained as it has been vaulted.

Update v40.40 (May 18th 2026)[]

  • Can be obtained by pressing a teleporting button at the end of the Particle Accelerator underneath certain locations.

Item ID

Item ID[]

The Unstable Element is referred to as Particle Accelerator Vault Access in the files.

  • Epic: AGID_ParticleAccelerator_VaultAccess
Mode Specific History

Mode Specific History[]

Battle Royale and Zero Build History

Battle Royale and Zero Build History[]

Chapter 7: Season 1[]

Update v39.00[]

  • Introduced.

Chapter 7: Season 2[]

Update v40.30[]

  • May 11th 2026: Vaulted, due to Hideouts being disabled.

Update v40.40[]

  • May 18th 2026: Unvaulted, due to Hideouts being re-enabled.