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Bedrock is both an indestructible and unmineable block. The primary function of bedrock is to create impassable barriers, both at the bottom of The Overworld and at the top and bottom of The Nether. It can also be found at the sides of The Nether in the Xbox version.
Bedrock appears as a black and gray charcoal pattern, and emits a dark particle effect.
 Survival mode
It is a common myth that bedrock can be destroyed by a sufficient quantity of TNT. While bedrock does have a finite damage resistance (18,000,000), there is no explosive in the game with that much force (the average block having a resistance of 15-30). Notch confirmed on the 11th of February 2011, during a Machinima Live stream, that it is indestructible, or so solid that the amount of TNT it would take to destroy it would more than certainly crash the game, therefore the save file would show no evidence of the explosion ever happening. However, later examinations of Minecraft code have shown that multiple explosions do not add damage to blocks; any block that is not destroyed by one TNT immediately adjacent to it will not be destroyed by additional TNT. Thus, the "amount of TNT" does not matter (other than indirectly by possibly crashing the game).
It is impossible to break bedrock by punching it. Bedrock has "hardness" of -1. A negative hardness is handled separately in the code, whereas damage from players' hits to the block are zero, thus the accumulated damage will always stay at 0.
As of 1.7.2, you can actually break bedrock, growing dark oak trees. The method abuses the fact that dark oak trees trees might grow downwards, if remaining parts of a previously grown tree blocks it in the upwards direction. When the tree grows downwards, some Bedrock blocks are likely to be replaced by Dark Oak Wood, which are easily removable. Bedrock does not drop. Using this method is inconsistent, and might take a few tries, but is easily done in survival Minecraft. It is mostly used to create holes in the bedrock layer on top of the nether, to make space for beacons, or simply entering the top of the nether without using Ender Pearls, as Overworld portals will not link with portals above y=128. Note that this most probably is a bug, and is likely to be patched in the future. Another way to break Bedrock, if you have cheats on, is to use the "summon" command to create a fireball entity with an explosion power of 5000. This will destroy bedrock, but is extremely rare for the item to drop, as when the explosion power is increased it is less likely to drop as an item. This will probably crash the game, but if not, the explosion will take several minutes.
 Creative mode
In Creative mode, bedrock can be destroyed in one hit, just like any other block. By doing this, the Player is able to enter The Void, but will die (after falling past Y: -63), unless they are flying. This is one of the two ways to die in Creative Mode, aside from the
/kill command. Bedrock is still impossible to break via TNT in Creative mode, even with huge amounts. Bedrock can catch fire.
In the Xbox 360 Edition version of Creative Mode, Bedrock can still be destroyed, however the final layer of Bedrock cannot be broken.
In the pocket edition since 0.7.4 the void will instantly kill the player even when not fully submerged.
In Survival Mode, Bedrock comprises much of the bottom-most 5 layers of an Overworld map, and both the top and bottom 4 layers of The Nether. It generates in a very rough pattern in both the Overworld and The Nether.
In the Overworld, there are actually 5 layers even though it seems as though there are 4, due to the 4th layer being predominately flat bedrock with no gaps, which makes the very bottom 5th layer inaccessible. The game code numbers the lowest layer of Bedrock as layer 0, and the highest as layer 4.
At the top of the Nether, bedrock prevents you from going past layer 127. You can use ender pearls to get through, however. After that you may use a minecart elevator or a dark oak tree to break the bedrock. Before the 1.4.3 pre-release, mushrooms would occasionally spawn on top of this Bedrock layer. In The End, defeating the Ender Dragon spawns a portal with a Bedrock frame. A single piece of flaming Bedrock also appears underneath Ender Crystals.
|During Classic, bedrock is unbreakable. The only way bedrock can be broken is with admin permissions.|
|Does not spawn in the map, cannot be destroyed by explosions, but it is breakable and drops a normal resource. However, it takes more than 16 minutes to break a single block.|
|Unbreakable, but Bedrock on the bottom of the map will turn to Lava after a while if it is exposed to sunlight. Bedrock during this development stage was smooth.|
|From infdev, bedrock was unbreakable with no exceptions.|
|1.2||The Nether was added, with bedrock at the top and bottom.|
|1.3||Bedrock could no longer be destroyed by planting a seed below it on tilled dirt.|
|1.6||A bug was fixed where you could fall into the void. Destroying a boat or rails with a minecart on the lowest bedrock block caused this to happen.|
|1.8||Creative mode is added, in which bedrock can be placed and destroyed instantly, as can any other block.|
|Notch tweeted he had accidentally done something to the Bedrock layer, but didn't specify what. Fog is now thicker and darker deep underground, and gives off particles. Due to this, the void appears black.|
|1.9pre6||The particle effect can now be turned off or lowered.|
|When the Enderdragon dies, it leaves behind a fountain-like bedrock structure with the Enderdragon Egg sitting on top. It has another End Portal to return to the players spawn point/bed.|
|Ender Crystal added, an entity which sits atop of a block of bedrock.|
|1.2.1||12w07a||As the max world height of the Nether was increased to 256, but Nether world generation is unchanged, mobs and Mushrooms were spawning on top of the Bedrock ceiling.|
|12w07b||Fixed crash when mobs were spawned above the world height limit by no longer allowing animals to spawn on bedrock.|
|1.2.1||With the addition of lakes (of lava and water) at any height, it was possible for a lake to cause an unusually large gap in the Bedrock. This was fixed in release 1.2.|
|1.2.5||The pick block functionally was introduced. However, it was slightly bugged and gave you bedrock while your crosshair was on any part of any mob.|
|Bedrock in the End will burn forever if set on fire, similar to Netherrack. It can still be put out by the same methods, as well.|
|1.7.2||Bedrock can be broken by growing a Dark Oak tree above the bedrock on one layer of dirt, then after growing the tree destroying one layer of wood directly above the dirt, and after that growing another tree on the same patch of dirt and it will have a chance of having roots growing downwards breaking through the bedrock (good for making a gateway from the top of the nether to below, or making a trap for people to fall in the void).|
|Pocket Edition Alpha|
|0.1.0||Bedrock appears at the bottom of the world, but is unobtainable even in creative mode.|
|0.8.0||Bedrock added to Creative mode|
 Classic properties
In Singleplayer Survival Mode, Bedrock is impossible to place without a mod, because Bedrock is never directly placed. But, using a server command on multiplayer, other blocks can be changed into Bedrock. Any Bedrock that exists on the map cannot be destroyed by the player.
In Multiplayer mode, server operators can place Bedrock blocks by using the "/solid" command. When /solid is used, stone blocks turn to Bedrock a short time after being placed. If /solid is used again, stone blocks placed will remain stone blocks. Normal players cannot place Bedrock; this makes Bedrock useful for making spawn jails. However, ops can destroy Bedrock like any other block, as a flag is set on the client when they log in. Vats of fluid blocks (water and lava) are also recommended to have Bedrock barriers so as to prevent server floods. Bedrock is used as a dark colored building material for normal structures as well.
A player can use an inventory editor to put Bedrock blocks in their inventory. If they attempt to place the blocks, the server will automatically kick them, even if they are an op. This is an anti-griefing feature that is scripted into the server software.
In all Classic maps, the very edges of a map are lined with a Bedrock-textured barrier. This barrier is not actually made of Bedrock blocks; it is simply a flat, impassible wall with the Bedrock texture. It is also completely covered in water. Consequently, attempting to place blocks on it does not work; you must place a block on one already attached to the wall. This barrier appears on the sides of a map starting two blocks below ocean level, extends under the ocean, and across the entire bottom of the map. Additional walls made of Bedrock blocks are often built against the ocean to prevent flooding in custom servers. Using a /kill command for classic servers causes your player to go extremely far away from the map and to glitch high above the bedrock area. The command is highly glitchy, somehow being able to send you off the map.
Issues relating to "Bedrock" are maintained on the issue tracker. Report issues there.
- The Bedrock texture is modified from Stone, at a higher contrast and placed on all sides.
- In Minecraft: Pocket Edition, Bedrock has a second form defined in the code as Invisible Bedrock. The Invisible Bedrock is the unbreakable void-like block that surrounds all four sides of the world. This block does not use the Bedrock texture.
- The void fog doesn't shorten visibility when sunlight makes its way to Bedrock layer.
- Going past the Bedrock barrier into The Void will cause you to lose 2 hearts approximately every half second once you reach below Y=-63, and will quickly kill you, even if you are on Peaceful. However, by hovering above this point using fly mode, you are able to move around underneath the world without injury, but no blocks can be placed under layer 0.
- In maps generated before the Halloween Update, there were occasional gaps in the bottom layer of Bedrock that the player could fall through.
- During Classic bedrock was often referred to "Adminium" due to only admins being able to break/ place it. It is sometimes referred to by this name today.
- As of the 1.8 Pre Release Enderman could pick up, move and place Bedrock. However, this was fixed before 1.8's eventual full release.
- Early on in Minecraft's development there were many videos that claimed that you could break Bedrock with sufficient TNT or by mining it with a diamond pick for a very long time. All of these are fake.
- Redstone was previously unable to be placed on Bedrock; this was changed sometime in Beta.
- In Classic, when you walk on Bedrock, it makes no sound. Afterwards, if you walk on it for a while, and walk onto another block like stone or grass, the walking sound will rapidly play until you get off of the block or wait for a while.
- It is possible, but rare, for ore to be found encased in Bedrock.
- On the Xbox 360 Edition, you cannot access the void in the Overworld or the Nether, as the bottom layer of bedrock is unbreakable even in Creative Mode. However, layers above this can be broken. This means the void can only be entered in the End.
- In Minecraft 4k, there is bedrock on the bottom of the map with no texture.
- Strongholds can cause a bedrock not to form within its bounds.
- However, it'll be difficult to break them due to its hard structure.
- Bedrock, Command Blocks, End Portals, and Barriers are the only unbreakable blocks.
- Not entirely indestructible, see this paragraph of text.