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DMZ CODEX · HAJIN EXCLUSION ZONE UPDATED 10 NOV 2026

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Codex / Items / Small Test Chamber Updated 7 Nov 2026
Key

Small Test Chamber

Key for the Small Test Chamber at F4 in X01 Tech Lab, in front of the security checkpoints.

Small Test Chamber
Rarity
Epic
Grid
F4

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What it opens

Small Test Chamber in the X01 Tech Lab at F4, opposite the security checkpoints.

How to get it

Small Test Chamber

Select Engineering Access at the Data Center Encoder with a blank keycard. A Small Test Chamber card is the reported output.

No fixed pickup location is verified.

Item essentials

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Listed value
100

Encoding route

  • Use the Data Center Encoder and select Engineering Access. The resulting card tooltip names the Small Test Chamber in X01 Tech Lab at F4.

Related

X01 Black Site

Guides that cover this

GuideX01 map guide: entrance, floor routes and your first run GuideSeason 1 DMZ keys and keyrooms: X01 cards, Encoders and doors NewsX01 is live: Deep Vault keys, loot rooms and the race to extract

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