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When Dungeons Arise is a massive dungeon generator which gathers plenty of dungeons and generates them randomly on your worlds to ensure glorious adventures and challenges. We have took a step away from standard vanilla structures, resulting in imposing dungeons to lose yourself into.
However, be wary when you venture into a palace in search of precious loot, and don't forget to land safely after raiding a hostile airship. Dungeons will generate foes to keep you away from them... at least until you're ready to walk across countless, dangerous passages...
Currently generates 30+ unique structures.
Requires both Cloth Config API and Fabric API (on Fabric versions)
Screenshots
All Versions
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[2.1.68] When Dungeons Arise 2.1.68
by aureljz on Oct 09, 2026
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(Hotfix) Added advancements for the new dungeon and exploration maps leading to it
- Removed the Mining System
- Added the Mining Complex.** This new structure is a complete rework of the old Mining System, and features many improvements. An outpost of the Mechanical Nest can be found in the surface, leading down into the mines.
- All loot in the Mining Complex has been reworked, including new barrels, vaults and keys. Two enchantments of this mod can now be found in these vaults: **Discharge** and **Voltaic Shot**.
- Technical changes around Keep Kayra to allow for easier ports in the future.
[2.1.68] When Dungeons Arise 2.1.68
by aureljz on Oct 09, 2026
Download
(Hotfix) Added advancements for the new dungeon and exploration maps leading to it
- Removed the Mining System
- Added the Mining Complex.** This new structure is a complete rework of the old Mining System, and features many improvements. An outpost of the Mechanical Nest can be found in the surface, leading down into the mines.
- All loot in the Mining Complex has been reworked, including new barrels, vaults and keys. Two enchantments of this mod can now be found in these vaults: **Discharge** and **Voltaic Shot**.
- Technical changes around Keep Kayra to allow for easier ports in the future.
[2.1.67] When Dungeons Arise 2.1.67
by aureljz on Oct 09, 2026
Download
- Removed the Mining System
- Added the Mining Complex.** This new structure is a complete rework of the old Mining System, and features many improvements. An outpost of the Mechanical Nest can be found in the surface, leading down into the mines.
- All loot in the Mining Complex has been reworked, including new barrels, vaults and keys. Two enchantments of this mod can now be found in these vaults: **Discharge** and **Voltaic Shot**.
- Technical changes around Keep Kayra to allow for easier ports in the future.
[2.1.58-1.20.x] When Dungeons Arise 2.1.58-1.20.x
by aureljz on Oct 09, 2026
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Unreleased version
This massive structure now only spawns in swamps and mangrove swamps. Spawners are now randomized, and difficulty has increased. This isn't the last change we will make to Keep Kayra, but it's a nice start.
- Keep Kayra has a new look!
This massive structure now only spawns in swamps and mangrove swamps. Spawners are now randomized, and difficulty has increased. This isn't the last change we will make to Keep Kayra, but it's a nice start.
- Minor structures now have a different salt.
[2.1.64] 2.1.64 - Fabric
by aureljz on Oct 09, 2026
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Disclaimer: Please note that we've added some features that were never a part of WDA before, such as enchantments. These generate in specific loot tables, within specific structures. If you don't want them, you can use the When Dungeons Arise - No Cool Enchantments datapack.
- Reworked the Infested Temple, introducing trial spawners, vaults and more. This dungeon won't spawn in high mountains anymore, but now fits the terrain in a much better way. You can find it on cherry groves, snowy plains, hills and floral forests. Biome tags have been updated to include modded biomes. Now generates a unique enchantment, Purification (see below).
- Added the Kisegi Sanctuary, probably my favourite massive dungeon yet. Kisegi is a bigger and more lethal version of the Infested Temple, featuring trial spawners and vaults. Also generates two unique enchantments, Ensnaring and Curse of Lolth (see below).
- Added a new advancement, "Sympathy For The Devil", obtained by finding the Kisegi Sanctuary.
- Added the Purification enchantment, available only as a reward in Infested Temple treasure vaults. Purification grants a chance to negate all incoming poisonous and withering effects, releasing a burst of energy that damages nearby enemies.
- Added the Ensnaring enchantment, available only in the Kisegi Sanctuary vaults. Ensnaring confers a chance to inflict greater slowness when damaging enemies, and summons fangs that attack all monsters around them.
- Added the Curse of Lolth, available in several Kisegi Sanctuary chests. Bestows a chance to regenerate health when attacking enemies, but also generates spiders. Damaging an arthropod will reflect damage to the wielder.
- Added the Voltaic Shot enchantment, available in treasure and equipment chests in the Mechanical Nest. Charges arrows with electrical energy, allowing them to fly in a straight line and deliver an explosion.
- Added the Discharge enchantment, available in treasure and equipment chests in the Mechanical Nest. Attacking enemies builds up speed, however, high levels of speed are discharged in a violent explosion, damaging both victim and attacker.
- Added #minecraft:on_random_loot restrictions to all randomly enchanted items (enchantments are now locked to their structures). Illegal or boss-restricted enchantments from Nova Structures (and similar) won't generate in WDA loot tables anymore.
- Fixed several missing loot tables.
- Fixed advancements not working in current Minecraft versions.
- Fixed terrain around Wishing Wells.
- Updated all lang files.
[2.1.64] When Dungeons Arise 2.1.64
by aureljz on Oct 09, 2026
Download
Disclaimer: This is a big update, but if you updated to the previous alphas, this is a more stable choice. All changes that were done in the alpha updates for the past few weeks will be listed for clarity. Please note that we've added some features that were never a part of WDA before, such as enchantments. These generate in specific loot tables, within specific structures. If you don't want them, you can use the When Dungeons Arise - No Cool Enchantments datapack.
- Reworked the Infested Temple, introducing trial spawners, vaults and more. This dungeon won't spawn in high mountains anymore, but now fits the terrain in a much better way. You can find it on cherry groves, snowy plains, hills and floral forests. Biome tags have been updated to include modded biomes. Now generates a unique enchantment, Purification (see below).
- Added the Kisegi Sanctuary, probably my favourite massive dungeon yet. Kisegi is a bigger and more lethal version of the Infested Temple, featuring trial spawners and vaults. Also generates two unique enchantments, Ensnaring and Curse of Lolth (see below).
- Added a new advancement, "Sympathy For The Devil", obtained by finding the Kisegi Sanctuary.
- Added the Purification enchantment, available only as a reward in Infested Temple treasure vaults. Purification grants a chance to negate all incoming poisonous and withering effects, releasing a burst of energy that damages nearby enemies.
- Added the Ensnaring enchantment, available only in the Kisegi Sanctuary vaults. Ensnaring confers a chance to inflict greater slowness when damaging enemies, and summons fangs that attack all monsters around them.
- Added the Curse of Lolth, available in several Kisegi Sanctuary chests. Bestows a chance to regenerate health when attacking enemies, but also generates spiders. Damaging an arthropod will reflect damage to the wielder.
- Added the Voltaic Shot enchantment, available in treasure and equipment chests in the Mechanical Nest. Charges arrows with electrical energy, allowing them to fly in a straight line and deliver an explosion.
- Added the Discharge enchantment, available in treasure and equipment chests in the Mechanical Nest. Attacking enemies builds up speed, however, high levels of speed are discharged in a violent explosion, damaging both victim and attacker.
- Added #minecraft:on_random_loot restrictions to all randomly enchanted items (enchantments are now locked to their structures). Illegal or boss-restricted enchantments from Nova Structures (and similar) won't generate in WDA loot tables anymore.
- Fixed several missing loot tables.
- Fixed advancements not working in current Minecraft versions.
- Fixed terrain around Wishing Wells.
- Updated all lang files.
[2.1.60] When Dungeons Arise 2.1.60-1.21.x
by aureljz on Oct 09, 2026
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Initital 1.21 Forge release
[2.1.60] When Dungeons Arise 2.1.60-1.21.x
by aureljz on Oct 09, 2026
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Initial 1.21 Release!
- Added more modded biome tags
- Fixed waterlogging issues
- Fixed small blimps spawning only a ladder
[2.1.57-1.20.1] When Dungeons Arise 2.1.57-1.20.1
by aureljz on Oct 09, 2026
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- Fixed missing loot tables in the Infested Temple and Bandit Towers
- Rearranged major and minor structures to avoid certain clashes.
- Fixed language and advancement files (Thanks to TinyBlackQvQ! Check their github pr)
- Added a new massive dungeon, the Mechanical Nest!
The Mechanical Nest is a huge, procedurally generated steampunk/scifi flying city. It has over 160 randomized parts, including rooms, furniture, towers, the occasional blimp and tons of enemies! Check out for traps and piston contraptions!
I believe this could be our most complex structure yet. And who knows, we might make modded addons for it in the future ;)
[2.1.57-1.20.1] When Dungeons Arise 2.1.57-1.20.1
by aureljz on Oct 09, 2026
Download
- Fixed missing loot tables in the Infested Temple and Bandit Towers
- Rearranged major and minor structures to avoid certain clashes.
- Fixed language and advancement files (Thanks to TinyBlackQvQ! Check their github pr)
- Added a new massive dungeon, the Mechanical Nest!
The Mechanical Nest is a huge, procedurally generated steampunk/scifi flying city. It has over 160 randomized parts, including rooms, furniture, towers, the occasional blimp and tons of enemies! Check out for traps and piston contraptions!
I believe this could be our most complex structure yet. And who knows, we might make modded addons for it in the future ;)
[2.1.56-1.19.2] When Dungeons Arise 1.19.2-2.1.56
by aureljz on Oct 09, 2026
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Adds Bathhouse and Greenwood Pub
[2.1.56] When Dungeons Arise 1.19.2-2.1.56
by aureljz on Oct 09, 2026
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Adds Bathhouse and Greenwood Pub
[2.1.56-1.20.1] When Dungeons Arise 1.20.1-2.1.56
by aureljz on Oct 09, 2026
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1.20 Port
Adds two new structures: Bathhouse and Greenwood Pub
Adds two new structures: Bathhouse and Greenwood Pub
[2.1.56] When Dungeons Arise 1.20.1-2.1.56
by aureljz on Oct 09, 2026
Download
1.20 Port.
Adds two new structures: Bathhouse and Greenwood Pub.
Adds two new structures: Bathhouse and Greenwood Pub.
[2.1.54-1.19.4] When Dungeons Arise 2.1.54-1.19.4
by aureljz on Oct 09, 2026
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1.19.4 forge port.
[2.1.54-1.19.4] When Dungeons Arise 2.1.54-1.19.4
by aureljz on Oct 09, 2026
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1.19.4 fabric port.
[2.1.54-1.19.3] When Dungeons Arise 2.1.54
by aureljz on Oct 09, 2026
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1.19.3 fabric port.
[2.1.54-1.19.3] When Dungeons Arise 2.1.54-1.19.3
by aureljz on Oct 09, 2026
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1.19.3 Port.
[1.19.2-2.1.54] DungeonsArise
by aureljz on Oct 09, 2026
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+ Added a new massive dungeon: Keep Kayra.
+ Reworked Mushroom Villages.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Removed "the_end" and "end_barrens" biomes from all end structures (they should no longer generate on the main end island)
+ Added some dungeons to Woodland Exploration maps which can be obtained by trading (Shiraz Palace, Keep Kayra, Foundry, Infested Temple, Plague Asylum).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
+ Removed Small Prairie Houses.
+ Reworked Mushroom Villages.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Removed "the_end" and "end_barrens" biomes from all end structures (they should no longer generate on the main end island)
+ Added some dungeons to Woodland Exploration maps which can be obtained by trading (Shiraz Palace, Keep Kayra, Foundry, Infested Temple, Plague Asylum).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
+ Removed Small Prairie Houses.
[1.19.2-2.1.54] DungeonsArise
by aureljz on Oct 09, 2026
Download
- Removed "the_end" and "end_barrens" biomes from all end structures (they should no longer generate on the main end island)
- Added some dungeons to Woodland Exploration maps which can be obtained by trading (Shiraz Palace, Keep Kayra, Foundry, Infested Temple, Plague Asylum)
Note from last update: * Added a new massive dungeon: Keep Kayra.
[1.19.2-2.1.53] DungeonsArise
by aureljz on Oct 09, 2026
Download
- Added a new massive dungeon: Keep Kayra.
[2.1.52] DungeonsArise
by aureljz on Oct 09, 2026
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+ Reworked Mushroom Villages to be less cramped.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
+ Removed Small Prairie Houses.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
+ Removed Small Prairie Houses.
[1.18.2-2.1.52] DungeonsArise
by aureljz on Oct 09, 2026
Download
+ Reworked Mushroom Villages to be less cramped.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
NOTE: An example datapack has been added as an additional file. You can use it along with the main mod to tweak values. It doubles separation and spacing by default.
Expect more updates on the upcoming weeks.
If you're using datapacks, you should update them to better accomodate to the new structure sets. In most cases, these changes may be enough to get your desired spacing & separation.
Known issue: lang files for exploration maps are currently broken.
+ Implemented changes to structure sets to make them less likely to collide. Structures were internally grouped in 'minor' and 'major' structures, which cannot generate next to each other (minor structures always have a gap between them).
+ Loot tables were changed or nerfed in a few structures, including ships, mushroom villages, illager forts, etc.
+ Structures generate more sparsely.
+ Fixed mining system loot tables - treasure and basic loot tables have been switched.
+ Fixed exploration maps appearing as empty maps on most structures.
+ Added more exploration maps (i.e.: abandoned_temple -> mining_system).
- Removed Small Prairie Houses.
NOTE: An example datapack has been added as an additional file. You can use it along with the main mod to tweak values. It doubles separation and spacing by default.
Expect more updates on the upcoming weeks.
If you're using datapacks, you should update them to better accomodate to the new structure sets. In most cases, these changes may be enough to get your desired spacing & separation.
Known issue: lang files for exploration maps are currently broken.
[1.19.2-2.1.51-forge] DungeonsArise
by aureljz on Oct 09, 2026
Download
1.19.2 Forge.
[2.1.50] DungeonsArise
by aureljz on Oct 09, 2026
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1.18.2 Port
[1.19-2.1.51] DungeonsArise
by aureljz on Oct 09, 2026
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First 1.19 release
[2.1.49b] 2.1.49b
by aureljz on Oct 09, 2026
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- Some structures no longer float above terrain
[1.18.1-2.1.49] 1.18.1-2.1.49
by aureljz on Oct 09, 2026
Download
Direct 1.18 port. May or may not contain bugs.
Cloth Config and Fabric API still required.
Cloth Config and Fabric API still required.
[1.17.1-2.1.48-fabric] WhenDungeonsArise-1.17.1-2.1.48-fabric
by aureljz on Oct 09, 2026
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+ Fixed most mobs on Heavenly Challengers - also added extra mobs for extra difficulty.
+ Fixed treasure loot tables on Heavenly Challengers.
+ A lot of tweaks were done to loot tables. This is not final. Exploration maps were added to certain loot tables to encourage players to visit new structures - these may cause brief lags when opening some chests. This is how vanilla handles exploration maps.
+ Added a safecheck so flying structures don't attempt to generate above worldheight.
This update is part of a bigger update we're planning, which will introduce new massive structures.
+ Fixed treasure loot tables on Heavenly Challengers.
+ A lot of tweaks were done to loot tables. This is not final. Exploration maps were added to certain loot tables to encourage players to visit new structures - these may cause brief lags when opening some chests. This is how vanilla handles exploration maps.
+ Added a safecheck so flying structures don't attempt to generate above worldheight.
This update is part of a bigger update we're planning, which will introduce new massive structures.
[1.17.1-2.1.47-fabric] When Dungeons Arise - 1.17.1-2.1.47-fabric
by aureljz on Oct 09, 2026
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Initial Fabric port.
Requires Fabric API and Cloth Config API.
Requires Fabric API and Cloth Config API.
