A Terrible Fortress
Break into a Nether Fortress
Overview
A Terrible Fortress is a task advancement in the Nether tab of Minecraft's advancement system, carrying the in-game description "Break into a Nether Fortress." It branches directly off Nether, so that earlier advancement is its prerequisite and must be earned first. The Nether tab covers advancements for exploring and conquering the Nether dimension, from entering the portal to brewing potions. A Terrible Fortress was added in Minecraft 1.12 and remains part of the current 1.21 advancement set.
It is rated Medium difficulty on this site: requires some preparation or specific resources. Part of normal gameplay progression. It uses the standard task frame, meaning it is a normal step in the tree rather than a goal or challenge milestone. 2 further advancements branch out of it: Spooky Scary Skeleton and Into Fire.
In tree terms, A Terrible Fortress sits first along its line: the full path from the Nether root reads Nether -> A Terrible Fortress. That means 1 advancement must be completed before this one becomes available, and A Terrible Fortress is one of 22 total advancements in the Nether tab. It shares its parent with 7 sibling advancements (Return to Sender, Those Were the Days, Hidden in the Depths, Who is Cutting Onions?, Oh Shiny, This Boat Has Legs, and A Horrible Place), all of which open from the same point in the tree.
How to Complete A Terrible Fortress
Earning A Terrible Fortress comes down to the following, performed in order:
- Find and enter a Nether Fortress.
- These structures generate in the Nether and are essential for obtaining blaze rods and wither skeleton skulls.
- They appear as large dark bridges and corridors.
Tips & Fastest Route
Tips & Fastest Route- Fastest route: Travel through the Nether until you find a fortress and walk onto its bricks.
- Fortresses run mainly north-south, so flying or running along one axis finds them faster.
- They are the only place blaze rods and wither skeleton skulls can be farmed, so mark the location.
- Make sure Nether is already ticked off before you start, otherwise A Terrible Fortress will not be tracked even if you perform the steps correctly.
- At Medium difficulty, A Terrible Fortress is a routine step once you have the prerequisites in hand; no special grinding is usually needed beyond the items the steps call for.
Common Mistakes
Common Mistakes- Remember that A Terrible Fortress will not appear as available until Nether is done, since the game only tracks an advancement once its parent has been unlocked.
Reward & What It Unlocks
Reward & What It UnlocksCompleting A Terrible Fortress grants 10 experience points. The XP drops at your position the moment the advancement fires.
Earning it unlocks 2 follow-on advancements — Spooky Scary Skeleton and Into Fire — each of which becomes trackable only once A Terrible Fortress is complete.
Details
- Advancement ID
minecraft:nether/find_fortress- Icon Item
- Nether Bricks
- Category
- Nether
- Difficulty
- Medium
- XP Reward
- 10 XP
- Version Added
- 1.12
Advancement ID
Category
Version Added
A Terrible Fortress Advancement FAQ
How do you get the A Terrible Fortress advancement in Minecraft?
Travel through the Nether until you find a fortress and walk onto its bricks. In full, find and enter a Nether Fortress. These structures generate in the Nether and are essential for obtaining blaze rods and wither skeleton skulls. They appear as large dark bridges and corridors.
What do you need for A Terrible Fortress?
Before you can work on it you must have completed Nether. Find and enter a Nether Fortress. These structures generate in the Nether and are essential for obtaining blaze rods and wither skeleton skulls.
Which advancement tab is A Terrible Fortress in?
A Terrible Fortress is in the Nether tab, hanging beneath Nether. Its in-game advancement ID is minecraft:nether/find_fortress.
Is A Terrible Fortress part of the Nether branch?
Yes. A Terrible Fortress sits directly below Nether in the Nether tree, so you must earn Nether first. Completing A Terrible Fortress then opens Spooky Scary Skeleton and Into Fire.
How much XP does A Terrible Fortress give and how hard is it?
A Terrible Fortress awards 10 XP and is rated Medium difficulty.