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Blazing Fortress was significantly altered or removed after v0.13. This article is retained for historical purposes.

For the island released in update 0.13, see Crimson Isle.

The Blazing Fortress was an island-based around the Nether. It was accessed after the player has attained Stone Sword.png Combat Level V by using a launch pad found at Compass.png-319, 95, -314 in the Spider's Den.

However, you can still access a bit of the island by using an Aspect of the End, Spider's Boots, or a Grappling Hook through the void in the Deep Caverns, at Compass.png-53, 223, 1

The Crimson Isle replaced the Blazing Fortress in the Nether Update. A large variety of new, stronger mobs were added, and the Island was expanded. The combat level requirement is XXIV (24).


Inside the fortress itself, there were Nether Wart, Blazes, and Wither Skeletons. Step 4 of the Romero and Juliette quest took place there, so Romero would be found here, where you must bring him one Enchanted Red Mushroom Block to do the quest. The fortress also had a large courtyard behind it, connected by a bridge.

Magma Cubes spawned on the bridge connecting the two parts. In the arena, larger, more dangerous Magma Cubes spawned. At nighttime, Ghasts would spawn very high in the sky. Every two hours, a Magma Boss would spawn which has a chance to drop the Epic or Legendary variant of the Magma Cube Pet to those who dealt the most damage to it.

Outside of the fortress, there was a cave full of Glowstone, Netherrack, and Quartz. The entrance in front of the cave was filled with Zombie Pigmen. The cave ended with a view of the courtyard bridge.


The Temperature was a mechanic in the Blazing Fortress, which can be found by pressing tab. It was used to indicate when the next Magma Cube Boss was about to spawn.

These are the temperatures that are known:

  • Warm
  • Tempered
  • Hot
  • Scolding
  • Volcanic


This text was shown when a player enters ⏣ Blazing Fortress for the first time:


  • There was a flower pot located at Compass.png-213, 76, -480 which served as a hint to players of a Fairy Soul below.
  • Another flower pot next to a Fairy Soul at Compass.png-303, 107, -691 (via a tunnel starting at Compass.png-301, 107, -704).
  • The Blazing Fortress was actually a Desert Biome.
  • When viewed from the Spider's Den, snow was on the roof of the fortress.
  • If you travelled to the Blazing Fortress without a launcher, I.E. using a grappling hook or an AOTE, part of the caves where you would mine Nether Quartz will be made of Sponge.
  • Traveling to the Blazing Fortress shortly after it was removed resulted in the message There is a disturbance, this island has disappeared...


Alpha Hypixel Network
Feb 22, 2022Replaced the Blazing Fortress with the Crimson Isle.
SkyBlock Prototype
June 11, 20190.1Added Blazing Fortress.
Aug 24, 2021Fixed the 'Collect Nether Wart and Blaze Rods' objective not completing in some cases
Apr 20, 20220.13Replaced the Blazing Fortress with the Crimson Isle.