Stronghold
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Strongholds are structures that occur naturally underground. They contain multiple rooms, corridors, stairs, doors and other aspects. Strongholds also contain a portal room with an unactivated End Portal, which can be activated with twelve Eyes of Ender and used to travel to The End. Strongholds can be located with an Eye of Ender.
Contents
Appearance
Strongholds vary in size. They contain several doors and rooms made mostly of Stone Brick, Mossy Stone Brick, and Cracked Stone Brick. Some treasures found in strongholds include Paper, Redstone, Books, Enchanted Books, Coal, Gold Ingots, Iron Ingots, Compasses, Apples, Golden Apples, Ender Pearls, Iron Chestplates, Iron Boots, Iron Pickaxes, Iron Helmets, Iron Leggings, Maps, Iron Swords, Obsidian, and Diamonds.
Strongholds are primarily generated underground, often unexposed to the surface and only visible within caves, possibly even underwater caves. In some seeds they may be connected to a dungeon or even merge into an abandoned mine shaft. Strongholds are vacant except for regular mobs that spawn under normal conditions. Strongholds are where Silverfish can spawn, created when someone either mines one of the blocks within, or finds the end portal room, which contains a silverfish spawner.
Rooms within the Stronghold
Strongholds feature various types of main rooms, such as Prison Cells, Libraries, Storage Rooms, and rooms which function as an intersection with a central fountain or column with torches mounted. There are also unusual rooms with a staircase descending under an arch or bridge against the wall, with another staircase to one side leading up onto this bridge (which rarely allows you to reach anywhere else). While the overall placement and number of these features in the stronghold is completely at random, the features themselves seem to always take the same forms.
- End portal room, with an end portal and a silverfish spawner.
- Prison cells seem to be generated in pairs in the wall of a hallway and feature iron doors with or without buttons, and are empty. The doors are usually open.
- Empty storage rooms are generated off the sides of hallways.
- Libraries have two sizes: small libraries and large libraries. Small libraries contain bookshelves, wooden planks, chest(s) and cobwebs dispersed randomly. Large libraries also contain Fences and torches arranged in an upper balcony with a chandelier over the small library, connected by ladders on the far wall from the entrance.
- Chests can be found on the corner of bookshelves, and on the upper floor of library rooms. They can also be found on the upper floor of 4-way intersections. Chests in libraries may contain paper, books, and/or a compass, and sometimes a map. Intersection chests may contain coal, bread, redstone, iron ingots, iron swords, iron pickaxes, armor, ender pearls, diamonds and/or apples; sometimes chests may contain a very rare item, such as a saddle or a golden apple.
Spawning
There is a limit of three strongholds per world. All strongholds are located at random positions in a radius between 640 and 1152 blocks from the origin, 0/0. Due to the generation algorithm, the stronghold may extend further in or out of that area. The three strongholds are spawned at roughly equal angles from the center point of the world (that is, each stronghold is in the region of 120 degrees from the others, measured from the origin.). The game will not generate a stronghold partially above-ground: the portion above the ground layer will be replaced with air blocks, leaving a cutaway. Strongholds are very often broken by caves, ravines, and Abandoned Mine Shafts. They can also be intersected by dungeons. This means that navigating the stronghold can sometimes be very difficult. It also means that it's easy to mine around your home if you decide to live in a stronghold.
Use as a base
Because of their great size, Strongholds would seem to be a good place to convert into your base. However there are some advantages and disadvantages.
Advantages
- In SMP, strongholds are difficult for griefers to find, provided they don't use an Eye of Ender.
- There is lots of space to fill the stronghold with chests
- There is the possibility of valuable loot in the chests found throughout strongholds.
- Because strongholds are underground, it's easy to enter an abandoned mineshaft or large cave system and find valuable ore, such as iron and diamond and sometimes, depending on the biome, emerald.
- The End Portal is nearby so that you do not have to go looking for one.
- If you become lost above ground, you can find your house using an Eye of Ender
Disadvantages
- In SMP people might be looking for Strongholds because of the End Portals and therefore find your base.
- Mining the walls of a stronghold can awaken silverfish, given the presence of silverfish blocks.
- NOTE: An easy way to detect silverfish blocks is whether or not it takes significantly longer to mine than other blocks of the same type, as silverfish block takes the same time to mine regardless of tools.
- Strongholds are often split in half by ravines, abandoned mineshafts, and caves, making living difficult unless completely restored.
- Since the Strongholds usually intersect with ravines or mines, it makes it easier for PVP players that are mining to find your base.
- You'll either need lots of torches to ensure no mobs spawn in the stronghold, or be constantly alert and ready for a fight.
History
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Video
Gallery
Overview
- Unnamed Brick Blocks.png
The first image of a Stronghold that Notch posted.
- StrongholdUncovered1.png
The side view of an uncovered Stronghold.
- StrongholdUncovered2.png
Overhead view of an uncovered Stonghold.
- StrongholdUncovered3.png
Top view of an uncovered Stronghold.
- Strongholdgeneration.png
A Stronghold generated on Superflat using Customization GUI in 12w40a/b
- Stronghold at surface.png
A stronghold that generated with one room above the surface on top of an ocean.
- Revealed stronghold.png
A stronghold revealed using stevenrs11's mod Grey Goo. The sand on the map is the Yellow Goo, or the revealed stronghold.
Rooms
- 2012-02-01 19.03.08.png
A large library.
- Library In Stronghold.png
A small library.
- Dungeon in Stronghold.png
A Zombie Dungeon.
- 2011-10-09 22.21.07.png
A chest in a Stronghold.
- 2011-10-05 13.27.27.png
A floating torch in an empty fountain.
- Floating torch in a library.png
A floating torch in a library.
- 2011-11-12 15.09.59.png
The End Portal block.
- 2011-11-12 15.10.45.png
Finished End Portal.
Intersections
- Ravine2.png
Underground Ravine cutting through a Stronghold.
- 2012-02-01 19.00.06.png
A Stronghold intersecting with an abandoned mine-shaft.
- -5984315871347486411--576-19-505.png
A floating library generated in a ravine over a lava lake.
- RavineStronghold.png
A Stronghold intersecting a Ravine.
- Library Mine.png
An Abandoned Mine-Shaft generated inside a Stronghold Library.
- Mine shaft intersecting end portal.png
An abandoned mineshaft running through an End Portal.
- Stronghold-mineshaft.png
A stronghold and an abandoned mine shaft intersection.
- 3inone.png
A dungeon, Stronghold and an Abandoned Mine Shaft in one area.
Other
- Silverfish Near Fountain.png
Four silverfish chasing the player in a stronghold.
- Mushrooms In Cell.png
Mushrooms growing in a cell made of iron bars.
- 2011-10-30 15.40.05.png
A chest containing three items; an Apple, Iron Pickaxe, and Iron Boots.
- 2012-01-09 16.45.30.png
A Staircase Leading to Bedrock.
- FloatingLadders.png
A glitch where the ladders of a stronghold library can appear floating.
Trivia
- End portals may be incomplete due to mineshafts or ravines generating through them, or occasionally disappear completely. In any case, if not complete, they will become useless, which can be problematic in a single player survival game.
- Due to the way the overground generates, empty blocks replace any part of a stronghold that exceeds the predetermined ground level, thus making a cross section similar to that seen in the first screenshot.
- Ravines may cut across strongholds, making navigation difficult but locating them easier.
- Of all the Stone Brick blocks in a stronghold, approximately 45% are regular stone brick, 30% are mossy stone brick, 20% are cracked stone brick, and 5% are actually Monster Egg blocks.
- While strongholds are usually quite large, some can be generated with only a few rooms.
- Strongholds usually spawn underwater, meaning reaching them is difficult, and whole rooms can be flooded if the stronghold is intercepted by a mineshaft or ravine.
- There is also on average one room with Cobblestone Stairs in every Stronghold.
- There can possibly be only one eye of ender in one of the portal frames, and as many as six.