Monster Room
.png)
| Biomes |
Any biomes in the Overworld |
|---|---|
| Mobs |
|
| Generates in existing chunks |
No |
| Consists of |
{
"title": "Monster Room",
"rows": [
{
"field": "Any biomes in the Overworld",
"label": "(link to Biome article, displayed as Biomes)"
},
{
"field": "(values exceeds 1000 characters...)",
"label": "(link to Mob article, displayed as Mobs)"
},
{
"field": "No",
"label": "Generates in<br>existing chunks"
},
{
"field": "(values exceeds 1000 characters...)",
"label": "Consists of"
}
],
"invimages": [],
"images": [
"Monster Room (Dungeon).png"
]
}
A monster room,[a] more commonly known as a dungeon, is a feature found underground in the Overworld. It consists of a room with cobblestone walls and a floor made of cobblestone mixed with mossy cobblestone. A monster spawner that produces either zombies, skeletons, or spiders is found in the middle.
Generation[edit | edit source]
Monster rooms generate uncommonly in the Overworld in any biome and always nearby carver caves, canyons, mineshafts, and strongholds. Each chunk has fourteen attempts to generate monster rooms underground within y-coordinates 0 to 320 or -58 to -1, each altitude range with different uniformity. For the higher altitude Y levels 0 to 320, up to 10 monster rooms can generate, while up to 4 monster rooms can generate in lower altitude Y levels -58 to -1. It is possible, though unlikely, for multiple attempts to succeed. In Bedrock Edition, monster rooms can generate as underground structures above sea level.
Monster rooms are a feature instead of a structure, so they generate regardless of whether the "Generate structures" world creation option has been toggled off for said world.[1] They also cannot be searched by the /locate command,[2] but they are very common and can be found without much difficulty in spectator mode.
For each attempt, a location (the position for monster spawner) and size (an open area with a width and length of 7 or 9 and a height of 6) is chosen. The attempt succeeds if the following conditions are met:
- Blocks in the floor area (including under the walls) of the potential monster room must be solid.
- Blocks in the ceiling area (including over the walls) of the potential monster room must be solid. The ceiling blocks may be gravity-affected such as gravel or sand, which fall if disturbed by the player.
- The walls of the potential monster room must have 1–5 openings (2-high air blocks) at floor level. Monster rooms are always connected to a carver cave or other hollow structure, although it is possible for the monster room itself to overwrite most of a tiny cave.
If the location passes, air and cobblestone are placed, then 3 attempts are made to generate each of two chests. To generate a chest, the chosen block must be empty and must have a solid block on exactly one of its four sides. The monster spawner is placed at the center of the monster room.
The monster spawner has a 50% chance of producing zombies, a 25% chance of producing skeletons, and a 25% chance of producing spiders. A zombie monster spawner in Bedrock Edition also has the same chance (5%) of producing zombie villagers as in natural generation.
Cobblestone has a 75% chance to be mossy when it is on the floor of the monster room.
The command /place feature minecraft:monster_room ~ ~ ~ can be used to generate a monster room only when the player is under the specific location where the monster room could be found naturally.
Construction[edit | edit source]
Monster rooms are small rooms made of cobblestone and mossy cobblestone that contain a monster spawner and up to 2 chests. Finding a monster room without a chest is unlikely but possible. Additionally, there is a rare chance of a monster room being found without a monster spawner. Occasionally, a monster room generates with its chests in such a way as to create a double chest. Monster rooms generate with either a zombie (50% chance), skeleton (25% chance), or spider (25% chance) monster spawner. The monster spawner is always in the center of the monster room, with chests located around the walls of the room (large chests can connect with the short side against the wall). Each block of the floor has a 25% chance of being cobblestone and a 75% chance of being mossy cobblestone.
Because the horizontal range for spawning mobs is 4 blocks from the monster spawner, it is possible for mobs to be spawned outside the walls of a 5×5 monster room that is surrounded by air outside the walls.
Loot[edit | edit source]
In Java Edition and Bedrock Edition, each monster room chest contains items drawn from 3 pools, with the following distribution:
| Item | Stack Size [A] | Weight [B] | Chance [C] | Avg. per chest [D] |
[hide] Avg. # chests to search [E] |
||||
|---|---|---|---|---|---|---|---|---|---|
| 1–3× | 1–4× | 3× | 1–3× | 1–4× | 3× | ||||
 Bone |
— | — | 1–8 | — | — | 10⁄40 | 57.8% | 3.375 | 1.7 |
 Gunpowder |
— | — | 1–8 | — | — | 10⁄40 | 57.8% | 3.375 | 1.7 |
 Rotten Flesh |
— | — | 1–8 | — | — | 10⁄40 | 57.8% | 3.375 | 1.7 |
 String |
— | — | 1–8 | — | — | 10⁄40 | 57.8% | 3.375 | 1.7 |
 Wheat |
— | 1–4 | — | — | 20⁄125 | — | 34.1% | 1.000 | 2.9 |
 Bread |
— | 1 | — | — | 20⁄125 | — | 34.1% | 0.400 | 2.9 |
 Name Tag |
1 | — | — | 20⁄129 | — | — | 27.9% | 0.310 | 3.6 |
 Saddle |
1 | — | — | 20⁄129 | — | — | 27.9% | 0.310 | 3.6 |
 Coal |
— | 1–4 | — | — | 15⁄125 | — | 26.6% | 0.750 | 3.8 |
 Redstone Dust |
— | 1–4 | — | — | 15⁄125 | — | 26.6% | 0.750 | 3.8 |
 Music Disc (13) |
1 | — | — | 15⁄129 | — | — | 21.5% | 0.233 | 4.6 |
 Music Disc (cat) |
1 | — | — | 15⁄129 | — | — | 21.5% | 0.233 | 4.6 |
 Iron Horse Armor |
1 | — | — | 15⁄129 | — | — | 21.5% | 0.233 | 4.6 |
 Golden Apple |
1 | — | — | 15⁄129 | — | — | 21.5% | 0.233 | 4.6 |
 Beetroot Seeds |
— | 2–4 | — | — | 10⁄125 | — | 18.5% | 0.600 | 5.4 |
 Melon Seeds |
— | 2–4 | — | — | 10⁄125 | — | 18.5% | 0.600 | 5.4 |
 Pumpkin Seeds |
— | 2–4 | — | — | 10⁄125 | — | 18.5% | 0.600 | 5.4 |
 Iron Ingot |
— | 1–4 | — | — | 10⁄125 | — | 18.5% | 0.500 | 5.4 |
 Bucket |
— | 1 | — | — | 10⁄125 | — | 18.5% | 0.200 | 5.4 |
 Enchanted Book[F] |
1 | — | — | 10⁄129 | — | — | 14.7% | 0.155 | 6.8 |
 Golden Horse Armor |
1 | — | — | 10⁄129 | — | — | 14.7% | 0.155 | 6.8 |
 Gold Ingot |
— | 1–4 | — | — | 5⁄125 | — | 9.6% | 0.250 | 10.4 |
 Diamond Horse Armor |
1 | — | — | 5⁄129 | — | — | 7.6% | 0.078 | 13.2 |
 Music Disc (otherside) |
1 | — | — | 2⁄129 | — | — | 3.1% | 0.031 | 32.6 |
 Enchanted Golden Apple |
1 | — | — | 2⁄129 | — | — | 3.1% | 0.031 | 32.6 |
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"poolsBedrockUpcoming": [], "itemDataJava": { "wheat": { "itemname": "wheat", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 20, 0 ], "weights": [ "—", "<sup>20</sup>⁄<sub>125</sub>", "—" ], "avgamount": 1, "chanceany": 0.34095616000000006 }, "melon-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "melon-seeds" }, "diamond-horse-armor": { "itemname": "diamond-horse-armor", "sizes": [ 1, "—", "—" ], "sortsize": [ 1, 0, 0 ], "sortweight": [ 5, 0, 0 ], "weights": [ "<sup>5</sup>⁄<sub>129</sub>", "—", "—" ], "avgamount": 0.07751937984496124, "chanceany": 0.07553570483040006 }, "rotten-flesh": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "rotten-flesh" }, "disc-otherside": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>2</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.030688500601003144, "sizes": [ 1, "—", "—" ], "sortweight": [ 2, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.031007751937984496, "itemname": "disc-otherside" }, "gold-ingot": { "itemname": "gold-ingot", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 5, 0 ], "weights": [ "—", "<sup>5</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.25, "chanceany": 0.09607936000000006 }, "iron-horse-armor": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 2, "avgamount": 0.23255813953488372, "itemname": "iron-horse-armor" }, "bone": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "bone" }, "enchanted-golden-apple": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>2</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.030688500601003144, "sizes": [ 1, "—", "—" ], "sortweight": [ 2, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.031007751937984496, "itemname": "enchanted-golden-apple" }, "pumpkin-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "pumpkin-seeds" }, "gunpowder": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "gunpowder" }, "saddle": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>20</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.2792703864726873, "sizes": [ 1, "—", "—" ], "sortweight": [ 20, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.31007751937984496, "itemname": "saddle" }, "string": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "string" }, "name-tag": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>20</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.2792703864726873, "sizes": [ 1, "—", "—" ], "sortweight": [ 20, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.31007751937984496, "itemname": "name-tag" }, "bread": { "itemname": "bread", "sizes": [ "—", 1, "—" ], "sortsize": [ 0, 1, 0 ], "sortweight": [ 0, 20, 0 ], "weights": [ "—", "<sup>20</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.4, "chanceany": 0.34095616000000006 }, "golden-apple": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.23255813953488372, "itemname": "golden-apple" }, "coal": { "sortsize": [ 0, 2.5, 0 ], "weights": [ "—", "<sup>15</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.26610816000000004, "sizes": [ "—", "1–4", "—" ], "sortweight": [ 0, 15, 0 ], "armor": 0, "material": 0, "avgamount": 0.75, "itemname": "coal" }, "iron-ingot": { "itemname": "iron-ingot", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 10, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.5, "chanceany": 0.1846297600000001 }, "bucket": { "itemname": "bucket", "sizes": [ "—", 1, "—" ], "sortsize": [ 0, 1, 0 ], "sortweight": [ 0, 10, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.2, "chanceany": 0.1846297600000001 }, "enchanted-book-rnd": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>10</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.14718169857549623, "sizes": [ 1, "—", "—" ], "sortweight": [ 10, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.15503875968992248, "itemname": "enchanted-book-rnd" }, "beetroot-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "beetroot-seeds" }, "redstone": { "sortsize": [ 0, 2.5, 0 ], "weights": [ "—", "<sup>15</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.26610816000000004, "sizes": [ "—", "1–4", "—" ], "sortweight": [ 0, 15, 0 ], "armor": 0, "material": 0, "avgamount": 0.75, "itemname": "redstone" }, "golden-horse-armor": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>10</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.14718169857549623, "sizes": [ 1, "—", "—" ], "sortweight": [ 10, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.15503875968992248, "itemname": "golden-horse-armor" }, "disc-cat": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.23255813953488372, "itemname": "disc-cat" }, "disc-13": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.23255813953488372, "itemname": "disc-13" } }, "structID": "Monster Room", "poolsJavaUpcoming": [], "structure": "Monster Room", "container": "", "itemDataJavaUpcoming": [], "allRollsJavaUpcoming": [], "itemDataBedrock": { "wheat": { "itemname": "wheat", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 20, 0 ], "weights": [ "—", "<sup>20</sup>⁄<sub>125</sub>", "—" ], "avgamount": 1, "chanceany": 0.34095616000000006 }, "melon-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "melon-seeds" }, "diamond-horse-armor": { "itemname": "diamond-horse-armor", "sizes": [ 1, "—", "—" ], "sortsize": [ 1, 0, 0 ], "sortweight": [ 5, 0, 0 ], "weights": [ "<sup>5</sup>⁄<sub>129</sub>", "—", "—" ], "avgamount": 0.07751937984496124, "chanceany": 0.07553570483040006 }, "rotten-flesh": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "rotten-flesh" }, "disc-otherside": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>2</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.030688500601003144, "sizes": [ 1, "—", "—" ], "sortweight": [ 2, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.031007751937984496, "itemname": "disc-otherside" }, "gold-ingot": { "itemname": "gold-ingot", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 5, 0 ], "weights": [ "—", "<sup>5</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.25, "chanceany": 0.09607936000000006 }, "iron-horse-armor": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 2, "avgamount": 0.23255813953488372, "itemname": "iron-horse-armor" }, "bone": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "bone" }, "enchanted-golden-apple": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>2</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.030688500601003144, "sizes": [ 1, "—", "—" ], "sortweight": [ 2, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.031007751937984496, "itemname": "enchanted-golden-apple" }, "pumpkin-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "pumpkin-seeds" }, "gunpowder": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "gunpowder" }, "saddle": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>20</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.2792703864726873, "sizes": [ 1, "—", "—" ], "sortweight": [ 20, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.31007751937984496, "itemname": "saddle" }, "string": { "sortsize": [ 0, 0, 4.5 ], "weights": [ "—", "—", "<sup>10</sup>⁄<sub>40</sub>" ], "chanceany": 0.578125, "sizes": [ "—", "—", "1–8" ], "sortweight": [ 0, 0, 10 ], "armor": 0, "material": 0, "avgamount": 3.375, "itemname": "string" }, "name-tag": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>20</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.2792703864726873, "sizes": [ 1, "—", "—" ], "sortweight": [ 20, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.31007751937984496, "itemname": "name-tag" }, "bread": { "itemname": "bread", "sizes": [ "—", 1, "—" ], "sortsize": [ 0, 1, 0 ], "sortweight": [ 0, 20, 0 ], "weights": [ "—", "<sup>20</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.4, "chanceany": 0.34095616000000006 }, "golden-apple": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.23255813953488372, "itemname": "golden-apple" }, "coal": { "sortsize": [ 0, 2.5, 0 ], "weights": [ "—", "<sup>15</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.26610816000000004, "sizes": [ "—", "1–4", "—" ], "sortweight": [ 0, 15, 0 ], "armor": 0, "material": 0, "avgamount": 0.75, "itemname": "coal" }, "iron-ingot": { "itemname": "iron-ingot", "sizes": [ "—", "1–4", "—" ], "sortsize": [ 0, 2.5, 0 ], "sortweight": [ 0, 10, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.5, "chanceany": 0.1846297600000001 }, "bucket": { "itemname": "bucket", "sizes": [ "—", 1, "—" ], "sortsize": [ 0, 1, 0 ], "sortweight": [ 0, 10, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "avgamount": 0.2, "chanceany": 0.1846297600000001 }, "enchanted-book-rnd": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>10</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.14718169857549623, "sizes": [ 1, "—", "—" ], "sortweight": [ 10, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.15503875968992248, "itemname": "enchanted-book-rnd" }, "beetroot-seeds": { "sortsize": [ 0, 3, 0 ], "weights": [ "—", "<sup>10</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.1846297600000001, "sizes": [ "—", "2–4", "—" ], "sortweight": [ 0, 10, 0 ], "armor": 0, "material": 0, "avgamount": 0.6, "itemname": "beetroot-seeds" }, "redstone": { "sortsize": [ 0, 2.5, 0 ], "weights": [ "—", "<sup>15</sup>⁄<sub>125</sub>", "—" ], "chanceany": 0.26610816000000004, "sizes": [ "—", "1–4", "—" ], "sortweight": [ 0, 15, 0 ], "armor": 0, "material": 0, "avgamount": 0.75, "itemname": "redstone" }, "golden-horse-armor": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>10</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.14718169857549623, "sizes": [ 1, "—", "—" ], "sortweight": [ 10, 0, 0 ], "armor": 0, "material": 3, "avgamount": 0.15503875968992248, "itemname": "golden-horse-armor" }, "disc-cat": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.23255813953488372, "itemname": "disc-cat" }, "disc-13": { "sortsize": [ 1, 0, 0 ], "weights": [ "<sup>15</sup>⁄<sub>129</sub>", "—", "—" ], "chanceany": 0.21505443965101612, "sizes": [ 1, "—", "—" ], "sortweight": [ 15, 0, 0 ], "armor": 0, "material": 0, "avgamount": 0.23255813953488372, "itemname": "disc-13" } }, "poolsBedrock": [ { "items": { "saddle": [ 1, 1, 20 ], "name-tag": [ 1, 1, 20 ], "disc-otherside": [ 1, 1, 2 ], "golden-apple": [ 1, 1, 15 ], "enchanted-book-rnd": [ 1, 1, 10 ], "iron-horse-armor": [ 1, 1, 15 ], "diamond-horse-armor": [ 1, 1, 5 ], "enchanted-golden-apple": [ 1, 1, 2 ], "golden-horse-armor": [ 1, 1, 10 ], "disc-cat": [ 1, 1, 15 ], "disc-13": [ 1, 1, 15 ] }, "rolls": [ 1, 3 ], "totalweight": 129 }, { "items": { "wheat": [ 1, 4, 20 ], "melon-seeds": [ 2, 4, 10 ], "gold-ingot": [ 1, 4, 5 ], "bucket": [ 1, 1, 10 ], "beetroot-seeds": [ 2, 4, 10 ], "pumpkin-seeds": [ 2, 4, 10 ], "redstone": [ 1, 4, 15 ], "iron-ingot": [ 1, 4, 10 ], "coal": [ 1, 4, 15 ], "bread": [ 1, 1, 20 ] }, "rolls": [ 1, 4 ], "totalweight": 125 }, { "items": { "rotten-flesh": [ 1, 8, 10 ], "string": [ 1, 8, 10 ], "gunpowder": [ 1, 8, 10 ], "bone": [ 1, 8, 10 ] }, "rolls": [ 3, 3 ], "totalweight": 40 } ], "allRollsBedrockUpcoming": [], "allRollsBedrock": [ "1–3", "1–4", 3 ], "itemDataBedrockUpcoming": [], "header": "[[Monster Room]]", "allRollsJava": [ "1–3", "1–4", 3 ], "link": "[[monster room]]" } } }- ↑ The size of stacks (or for unstackable items, number) of this item on any given roll.
- ↑ The weight of this item relative to other items in the pool.
- ↑ The odds of finding any of this item in a single chest.
- ↑ The number of items expected per chest, averaged over a large number of chests.
- ↑ The average number of chests the player should expect to search to find any of this item.
- ↑ All enchantments are equally probable, including treasure enchantments (except Soul Speed, Swift Sneak, and Wind Burst), and any level of the enchantment is equally probable.
Data values[edit | edit source]
ID[edit | edit source]
| Feature type | [hide]Identifier |
|---|---|
 [No displayed name] | monster_room |
| Configured feature | [hide]Identifier |
|---|---|
| [No displayed name] | monster_room |
| Feature | [hide]Identifier |
|---|---|
| [No displayed name] | [No ID] |
Config[edit | edit source]
- [NBT Compound / JSON Object] config: Empty
{
"type": "minecraft:monster_room",
"config": {}
}
History[edit | edit source]
| [hide]Java Edition Infdev | |||||||
|---|---|---|---|---|---|---|---|
| 20100625-1917 |  Added dungeons. The chests may contain gunpowder, strings, wheat, bread, iron ingots, buckets, saddles and rarely golden apples. | ||||||
| [hide]Java Edition Alpha | |||||||
| v1.0.4 | Added redstone dust to dungeon chests, sometime between its introduction in Alpha v1.0.1 and 1.0.4.[is this the correct version?] | ||||||
| v1.0.14 | Added the newly introduced 13 and cat music discs to dungeon chests. | ||||||
| [hide]Java Edition Beta | |||||||
| 1.4 | Added cocoa beans to dungeon chests. | ||||||
| [hide]Java Edition | |||||||
| 1.4.6 | 12w49a | Added enchanted books to dungeon chests. | |||||
| 1.6.1 | 13w16b | Added name tags to dungeon chests. | |||||
| 13w18a | Added horse armor to dungeon chests and removed cocoa beans. Probabilities have now also been adjusted. | ||||||
| 1.7.2 | 13w36a | Changes in carver cave generation now make dungeon considerably rarer.[3] | |||||
| 1.8 | 14w30a | The chances of music discs in dungeon chests have been reduced. | |||||
| 1.9 | 15w44a | Added bones, coal, rotten flesh, enchanted golden apples, melon slices, pumpkins and beetroot seeds to dungeon chests. | |||||
| The average yield of music discs in dungeon chests has been increased. | |||||||
| The average yield of enchanted books, gunpowder and string in dungeon chests have been doubled. | |||||||
| The average yield of normal golden apples in dungeon chests has been substantially increased. | |||||||
| The average yield of iron horse armor in dungeon chests has been decreased. | |||||||
| The average yields of name tags, saddles, wheat and bread in dungeon chests have been nearly halved. | |||||||
| The average yields of iron ingots and buckets in dungeon chests have been substantially decreased. | |||||||
| 1.14 | 18w43a | Renamed "Dungeon" to "Monster Room". | |||||
| Create New World screen still mentions it as "dungeon". | |||||||
| 18w50a | The textures of monster rooms has been changed. | ||||||
| 1.16 | ? | As a result of a world generation bug fix, monster room positions have been shifted. | |||||
| 1.17 | ? | Monster room generation has changed - it appears they are again capable of generating in open air areas such as cliffsides like they were prior to 1.7.2. | |||||
| 1.18 | 21w40a | Monster rooms now generate more frequently, especially below Y=0. | |||||
| 21w42a | The "otherside" music disc can now be found in monster room chests. | ||||||
| 1.18.2 | 22w03a | Monster rooms can now be placed using /placefeature. | |||||
| 1.19 | 22w18a | Due to the removal of placefeature command, monster rooms are now placed using /place. | |||||
| 1.19.4 | 23w05a | Removed mentioning of monster rooms from the Create New World screen. Before this snapshot, a contradiction existed in Java Edition that even though the "Generate Structures" world creation option listed "dungeons" as an example structures that were supposed to generate only when the option was turned "ON", monster rooms generated even if the option was set to "OFF". | |||||
| [hide]Pocket Edition Alpha | |||||||
| v0.9.0 | build 1 | Added dungeons. | |||||
| v0.15.0 | build 1 | Added name tags, enchanted books and horse armor to dungeon chests. | |||||
| [hide]Bedrock Edition | |||||||
| 1.2.0 | beta 1.2.0.2 | Added music discs to dungeon chests. | |||||
| 1.17.0 | ? | The probability of dungeons had been changed to less common to match Java Edition. | |||||
| 1.18.0 | beta 1.18.0.21 | Dungeons now generate more frequently, especially below Y=0. | |||||
| [hide]Legacy Console Edition | |||||||
| Xbox 360 | Xbox One | PS3 | PS4 | PS Vita | Wii U | Switch | |
| TU1 | CU1 | 1.00 | 1.00 | 1.00 | Patch 1 | 1.0.1 | Added dungeons. |
| [hide]New Nintendo 3DS Edition | |||||||
| 0.1.0 | Added dungeons. | ||||||
Issues[edit | edit source]
Issues relating to "Monster Room" or "Dungeon" are maintained on the bug tracker. Issues should be reported and viewed there.
Gallery[edit | edit source]
Screenshots[edit | edit source]
-
A gravel ore feature fallen into a monster room.
-
A rare instance of a monster room generating in midair.
-
A spider monster room.
-
A zombie monster room.
-
Loot reveal.
-
A monster room next to a cave.
-
Skeleton monster spawner in badlands mineshaft.
-
A monster room full of skeletons without bows.
-
A monster room with a torch.
-
A monster room with zombies.
-
A caved-in surface monster room.
-
A surface monster room.
-
Monster rooms can rarely be found open to the surface.
-
A monster room found underneath ice.
-
A monster room found underneath water.
-
Two surface monster rooms right next to each other.
-
A surface monster room in the PC Gamer Demo.
-
Monster rooms generated underneath sand tend to cause cave-ins.
-
A zombie monster room at ground level.
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A monster room on the surface.
-
Five monster rooms and 2 cave spider spawners close together in a mineshaft, cleared to show all 7 spawners.
-
A double monster room, the wall of the first acting as the entrance of the second.
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A double monster room with three chests.
-
A triple monster room.
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Extremely rare double-decker monster room.
-
A monster room in a monster room.
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Three monster rooms in close proximity
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A monster room intersecting with a mineshaft.
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A monster room found by an end portal room in a stronghold.
-
Monster room generated aside the chest chamber of a desert pyramid. One chest was overwritten by the monster room wall.
-
A monster room in the upper room of a desert pyramid.
-
-
A monster room distorted by a carver cave.
-
A monster room that has become flooded because of falling gravel on the bottom of a river.
-
A monster room partially replacing the basement section of an igloo.
-
-
A monster room connected to a dead end of a mineshaft.
-
A monster room with a waterfall flowing into it.
-
A monster room generating without the spawner and the chests in a desert pyramid.
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A monster room with no chests.
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A monster room covered with sculk vein.
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A double chest monster room.
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A monster room intersecting a mineshaft.
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A zombie monster room that generated in a stronghold.
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A monster room, mineshaft and stronghold are in one area.
-
Floating monster room without a floor.
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Monster room with an amethyst geode underneath it, causing the chest to generate on the top of smooth basalt.
-
A monster room that spawned intersecting a mineshaft, where one of the chests has been replaced with a minecart with chest.
-
A monster room next to a mineshaft.
-
Another monster room next to a mineshaft.
-
Zombie monster room connected to a mineshaft.
-
A zombie monster room intersecting with an ancient city.
-
A monster room in the deep dark.
Notes[edit | edit source]
- ↑
monster_roomis the in-game structure ID in Java Edition.
References[edit | edit source]
- ↑ MC-77787 — Dungeons still generate when generate structures option is turned off — resolved as "Won't Fix".
- ↑ MC-107829 — resolved as "Works As Intended".
- ↑ http://www.minecraftforum.net/topic/1981051-it-seems-that-the-underground-is-no-longer-swiss-cheese-anymore/page__view__findpost__p__25366047
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