Nether Bricks icon

A Terrible Fortress

NetherAdvancement

The in-game hint for A Terrible Fortress reads “Break your way into a Nether Fortress”, and here is what actually counts: It triggers as soon as you stand in the right place: the game checks your position every second. It's a regular advancement with no XP reward. It sits in the Nether tab, right after “Nether” on the advancement screen.

Tab
Nether
Type
Advancement
Unlocked after
Nether
XP reward
None

How to get A Terrible Fortress

Game data

In-game hint: “Break your way into a Nether Fortress”

It triggers as soon as you stand in the right place: the game checks your position every second.

Track it (and import your progress) in the advancement checklist →

Where A Terrible Fortress sits in the tree

Advancements appear on the in-game screen once the one before them is done. This is the path from the Nether tab's root.

  1. Nether
  2. A Terrible Fortress

Completing it reveals 2 advancements:

Data: Minecraft Java Edition 26.3 game files. How we source this

A Terrible Fortress comes right after “Nether” in the Nether tab. It completes the moment its single requirement is met. It's a regular advancement with no XP reward. It opens the way to 2 more advancements.

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A Terrible Fortress FAQ (Java 26.3)

How do you get the A Terrible Fortress advancement?

The in-game hint reads “Break your way into a Nether Fortress”. It triggers as soon as you stand in the right place: the game checks your position every second.

Which tab is A Terrible Fortress in?

It's in the Nether tab, right after “Nether”.

Does A Terrible Fortress give XP?

No, it gives no experience; it counts toward your advancement total.