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Stronghold
150px-StrongholdPortalRoom
Portal Room

Type

Generated Structure

Location

Hidden underground

First Appearance

Update 0.9.0

Strongholds are Generated Structures added in Update 0.9.0. They are the rarest generated structures in Minecraft.

Generation

Up to 128 Strongholds can be generated in a world. Sometimes they are generated in connection with a Village well.

As of Update 1.0, it is possible to locate them using Eyes of Ender or using the /locate Command.

Structure

Exterior

Almost no outward indications exists, making them hard to find. However sometimes the Player can dig around a Village Well and locate the Stronghold. It may also show up at the bottom of Deep Ocean Biomes; look for stone bricks and/or lighted areas where a wall is not fully formed. Certain texture packs may help with seeing them under the water as well.

Rarely, the Stronghold will intersect with an Abandoned Mineshaft.

Interior

Strongholds vary in size but are generally large and complex like a maze, containing multiple rooms often with walls of Iron Bars, corridors, Libraries, stairwells, fountains, dead ends, and other features. Strongholds are lit by enough Torches to provide visibility in most areas, though not enough to suppress Mobs from spawning.

They are mostly built out of Stone Bricks, Mossy Stone Bricks, and Cracked Stone Bricks. Some of these blocks are Monster Egg (AKA Silverfish Stone) which spawns Silverfish.

Of the more essential structures within a Stronghold are the End Portal room, and one or two Libraries with Loot Chests. The Libraries might contain several hundred Bookshelves.

Loot

It is possible to get loot from Chests present in Strongholds. They are:

Stronghold Crossing

Item Weight Chance Count
Group count: 1-4
Iron Ingot Iron Ingots 50/386 13.0% 1-5
Gold Ingot Gold Ingots 25/386 6.5% 1-3
Redstone (Dust) Redstone 25/386 6.5% 4-9
Coal Coal 50/386 13.0% 3-8
Bread Bread 75/386 19.4% 1-3
Apple Apples 75/386 19.4% 1-3
Iron Pickaxe Iron Pickaxe 5/386 1.3% 1
Book enchant Enchanted Books 6/386 1.6% 1
Ink Sac Ink Sac 75/386  19.4% 1-3
Based upon 1.7.0 behavior pack

Stronghold Library

Item Weight Chance Count
Group count: 2-10
Book Books 100/270 37.0% 1-3
Paper Paper 100/270 37.0% 2-7
Map Map 5/270 1.9% 1
Compass Compass 5/270 1.9% 1
Book enchant Enchanted Books 60/270 22.2% 1
Based upon 1.7.0 behavior pack

Stronghold Corridor

Item Weight Chance Count
Group count: 2-3
Ender Pearl Ender Pearl 50/511 9.8% 1
Emerald Emerald 15/511 2.9% 1-3
Diamond Diamond 15/511 2.9% 1-3
Iron Ingot Iron Ingot 50/511 9.8% 1-5
Gold Ingot Gold Ingot 25/511 4.9% 1-3
Redstone (Dust) Redstone 25/511 4.9% 4-9
Bread Bread 75/511 14.7% 1-3
Apple Apples 75/511 14.7% 1-3
Iron Pickaxe Iron Pickaxe 25/511 4.9% 1
Iron Sword Iron Sword 25/511 4.9% 1
Iron Chestplate Iron Chestplate 25/511 4.9% 1
Ironarmor Iron Helmet 25/511 4.9% 1
Iron Leggings Icon Iron Leggings 25/511 4.9% 1
Iron Boots Iron Boots 25/511 4.9% 1
Golden Apple Golden Apple 5/511 1.0% 1
Saddle Saddles 5/511 1.0% 1
Iron Horse Armor Iron Horse Armor 5/511 1.0% 1
Gold Horse Armor Gold Horse Armor 5/511 1.0% 1
Diamond Horse Armor Diamond Horse Armor 5/511 1.0% 1
Book enchant Enchanted Books 6/511 2.8% 1
Based upon 1.7.0 behavior pack

Trivia

  • Strongholds are by far the biggest Generated Structures.
  • With a maxium of two Libraries per Stronghold, each with a maximum of two Chests, and up to 4 corridor Chests, the maximum number of Chests that may be found in a Stronghold is 8.
  • Bug: There was an Android-exclusive bug in which Strongholds could not spawn.
    • If a Player leaves a World where there was supposed to be a Stronghold, it would crash the game.
  • In the Beta Version of Update 0.16.0, it was impossible to create a World with Strongholds at all, the game would crash and even deleting the World was impossible.
  • Before Update 1.0, only 3 Strongholds were generated per World.
  • As of Update 1.0, Strongholds generate randomly across a World, even as far as the Far Lands, instead of exclusively underneath Villages, even though that is still possible.
  • Strongholds were the only Generated Structure that could be found by the /locate Command prior to Update 1.1.
  • There is a one in one trillion chance of a Stronghold spawning with all Eyes of Enders in the End Portal Frames. [citation needed]
Generated Structures
Natural
Lava PoolsTree (Fallen)CavesIce SpikesGiant MushroomsMoss Stone BouldersMineral VeinRavineFossil
Small Structures
Witch HutDesert WellIglooLibraryDungeon
Large Structures
Abandoned Mineshaft (Mesa)Woodland Mansion • Temples (Jungle | Desert)StrongholdOcean MonumentVillageShipwreck
Nether Structures
Nether FortressGlowstone Cluster
End Structures
End CityChorus TreeEnd PortalEnd Gateway Portal