Discover more features underground! Nico's Cave Expansion is an add-on that enhances your underground exploration by introducing a variety of new caves. It also adds new mobs, blocks, plants, food, ores, and equipment.

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(v1.9.4)

NEW UPDATES:

Version: 1.9.4

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Version: 1.9.4

NOTE:

This update only works with Minecraft version 26.30 and higher.

WORLD GENERATION:

Increased the density of Mycelium Sprouts and Glowcelium Sprouts in Mushroom Islands and Mushroom Caves.
Increased the generation rate of Tin Ore Patches and Zinc Ore Patches.

MOBS:

Improved mob spawning rules, increasing the spawn rate of custom mobs in custom biomes and custom caves.

BLOCKS:

Stripped Mosshroom Stems and Stripped Mosshroom Hyphae no longer emit light.
Added Short Glowcelium Sprouts
Added Mosshroom Door
Added Mosshroom Trapdoor
Added Mosshroom Fence
Added Mosshroom Fence Gate
Added Walls:
- Limestone Wall
- Polished Limestone Wall
- Limestone Brick Wall
- Marble Wall
- Polished Marble Wall
- Marble Brick Wall
- Soul Stone Wall
- Polished Soul Stone Wall
- Soul Stone Brick Wall
Updated the texture of:
- Block of Tin
- Block of Zinc
- Block of Bronze
- Block of Brass
Fixed the block drops of Polished Marble Stairs and Polished Soul Stone Stairs.

VISUALS:

Added local lighting effects to custom light-emitting blocks:
- Active Heated Netherrack
- Clump of Mosshroom Fungus
- Glowbird Egg
- Glowceling Egg
- Glowcelium Sprouts Bale
- Moss Berry Bush
- Mosshroom Fungus
- Mosshroom Hyphae Lamp
- Mosshroom Hyphae Lantern
- Mosshroom Light
- Potted Glowcelium Sprouts
- Potted Mosshroom Fungus
- Quartz Cluster
- Rose Quartz Cluster
- Rose Quartz Lamp
- Tall Glowcelium Sprouts

TECHNICAL CHANGES:

Updated several files to 26.30 version.

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Version: 1.9.3

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Version: 1.9.3

MOBS:

Removed the ability for custom mobs to regenerate health while resting. Most custom mobs can already be healed through feeding, giving healing items more usefulness.
Golden Dandelions now work on custom baby mobs, preventing them from growing up.
Moss Mushling release effects no longer affect other Moss Mushlings.

BLOCKS:

Added the Moss Sprouts Bale.
Mycelium Sprouts Bales and Glowcelium Sprouts Bales can now be used as fuel with a burn time of 50 seconds, and can now also be composted with a 100% composting chance.

RECIPES:

Added a Limestone Bricks recipe using Cracked Limestone Bricks and Clay in the Crafting Table.
Added a Marble Bricks recipe using Cracked Marble Bricks and Clay in the Crafting Table.
Added a Soul Stone Bricks recipe using Cracked Soul Stone Bricks and Clay in the Crafting Table.

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Version: 1.9.2

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Version: 1.9.2

NOTE:

This version may no longer be able to update over older versions.

TECHNICAL CHANGES:

Changed the UUID to fix importing issues on Realms. (Note: This will prevent the add-on from updating over older versions.)
Added the PBR or Vibrant Visuals capabilities.

ITEMS:

Increased the Moss Berry Cookies chance for effect to apply on consumption from 5% to 10%.

RECIPES:

Fixed recipes for Mosshroom Hyphae Lantern using Mosshroom Hyphae.
Chiseled Bookshelves can now be crafted using Mosshroom Planks and Mosshroom Slab.
Composters can now be crafted using Mosshroom Slab.
Daylight Detectors can now be crafted using Mosshroom Slab.
Lecterns can now be crafted using Mosshroom Slab.

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Version: 1.9.1

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Version: 1.9.1

NOTE:

This update only works with Minecraft version 26.0 and higher.

BLOCKS:

Custom stairs now have the same collision box as vanilla stairs.

MOBS:

In Creative Mode, baby mobs can now be spawned by using their Spawn Eggs.
Updated the Wandering Trader trades.
Crystalmite:
- Increased the melee attack damage.
Mossy Skeleton:
- Fixed the equipment interaction bug where valid equippable items is in both player's hands.
- Increased max health from 20 to 25 for wild Mossy Skeletons, and from 30 to 40 for tamed Mossy Skeletons.
- Can now use kinetic weapons, such as spears.
- Wild Mossy Skeletons now have a higher chance to pick up and equip items.
- Wild Mossy Skeletons can now pick up spears.
- Tamed Mossy Skeletons will no longer pick up and equip items automatically; they can now be equipped only through owner interaction.
- Tamed Mossy Skeletons can now equip Bows, Crossbows, and Spears through interaction.
- Fixed a bug where tamed Mossy Skeletons could not equip leggings through interaction.
- Equipped items on tamed Mossy Skeletons can now be removed using Shears.
- Tamed Mossy Skeletons will no longer drop a Sprouted Bone on death.
- Tweaked the PBR texture.
Myceling & Glowceling:
- Adult Myceling & Glowceling can now breed together.
- Improved Mycelium Sprout production. Tamed Mycelings now produce them faster than wild ones.

ITEMS:

Redesigned the Glowbird Spawn Egg.

TECHNICAL CHANGES:

Updated several files to 26.0 version.

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Version: 1.9

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Version: 1.9

TECHNICAL:

Updated for compatibility with Minecraft version 1.21.24.
Added PBR texture support for all the custom blocks, entities, and particles.

MOBS:

Each custom mob Spawn Egg now has a unique visual.
Fixed a bug where mobs would not naturally spawn on top of any custom full-cube block types.
Glowbird:
- Can now lay eggs on top of any custom full-cube blocks.
Crystalmite:
- Can now slowly regenerate health while sitting or sleeping.
Mossy Skeleton:
- Tamed Mossy Skeletons can now equip all types of vanilla armor, tools, melee weapons, and off-hand items such as Shields and Totems of Undying through owner interaction.
Myceling & Glowceling:
- Can now lay eggs on top of any custom full-cube blocks.

BLOCKS:

Custom blocks now support precipitation behavior.

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Version: 1.8

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Version: 1.8

NOTE:

If you’re updating from an older version, this add-on may not work properly in existing worlds.
This update only works with Minecraft version 1.21.120 and higher.

TECHNICAL CHANGES:

Changed all identifiers.
Shortened several file names.
Rewrote all Script API event code.
Added language support for Spanish and Japanese.

RENAMED:

"Glow Bird" → "Glowbird"
"Glow Bird Egg" → "Glowbird Egg"

MOBS:

Glow Bird:
- Increased natural spawn rate.

WORLD GENERATION:

Updated several vegetation features — Bush, Leaf Litter, Pink Petals, and Wildflowers can now be replaced during world generation.
Improved Glow Lichen generation — it can now generate attached to most full-cube block types, and its generation rate in Mushroom Caves has been reduced.
Increased the generation rate of Mycelium Sprouts and Glowcelium Sprouts.

BLOCKS:

Fixed the texture bug on custom potted plants.
Adjusted the selection box, collision box, hardness, and blast resistance of most custom blocks to better match those of vanilla blocks.
Most solid custom blocks are now redstone conductors — buttons, levers, pressure plates, and other redstone signal emitters will now work when placed on custom blocks.
Custom blocks now behave correctly when pushed by pistons.
Custom blocks with pillar-type rotation (such as stems, bales, and pillar blocks) now have correct texture rotation based on their placement, matching their corresponding vanilla blocks.
Custom blocks with cross-model (such as plants and crystal clusters) now have consistent textures on all sides, similar to vanilla cross-model blocks.
Fixed an issue where blocks couldn’t be placed on custom slabs.
Custom plants now have slightly randomized positioning within a 1-block range when placed, similar to vanilla grasses.
Custom sprouts can now be instantly removed when a block is placed over them.
Custom ore drops now have the same average yield as vanilla ores when mined with or without the Fortune enchantment.
Mycelium Sprouts & Glowcelium Sprouts:
- Reduced particle emission frequency.
Clumps of Mosshroom Fungus:
- No longer instantly mined. They can now be efficiently mined using a hoe or shears.
- Revamped textures and added semi-emissive details.
Moss Berry Bush:
- Tweaked the block model.
Active Heated Netherrack:
- Will no longer be triggered by mobs with the Fire Resistance effect.
- The explosion block is now solid.
- Fixed the explosion name appearing when a player dies from the explosion.
Rose Quartz Lamps:
- Improved texture material instances — block sides no longer appear dim.
Mosshroom Hyphae Lamp:
- Improved texture material instances.
- Updated rendering method and added PBR texture support.
Mosshroom Hyphae Lantern:
- Improved texture material instances.
- Updated rendering method and added PBR texture support.
- Tweaked the extension model when placed on the side face of a block.

ITEMS:

Added “Smeltable” info to several items and blocks that can be smelted.
Custom bone meal can now also be used as fertilizer on various fertilizable (mostly custom) blocks.

RECIPES:

The following blocks can now be smelted in a blast furnace to obtain their cracked variants:
- Limestone Bricks
- Marble Bricks
- Soul Stone Bricks

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Version: 1.7

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Version: 1.7

NOTE:

This update now only works with Minecraft version 1.21.80 and higher, and may no longer support updating older versions in your existing Minecraft world.

"General"

Updated for compatibility with Minecraft version 1.21.93.
It no longer disables achievements when used in Survival mode.

"Fixes & Changes"

MOBS:

Glow Bird:
- Glow Birds are now less likely to fall into the void when attempting to land in the End dimension.

BLOCKS:

Fixed the Mosshroom Stem & Rose Quartz Pillar texture rotation.
Blocks that now instantly replaceable when placing other blocks on them:
- Moss Sprouts
- Mycelium Sprouts
- Glowcelium Sprouts

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See more information here:

ModBay - Nico's Cave Expansion

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Known Issues/Bugs

Equipment model doesn't show glints:
- Equipment model with a glowing texture doesn't glint when it has an enchantment.
- This refers to olivine armor and magic staffs.
- The enchantments are still applied to the equipment, but it's just don't the glints in the model.

Non-solid custom blocks:
- Vanilla fences and walls are connected to a non-solid custom block.
- Grass block will transform into dirt when non-solid custom block is placed at the top of it.
- Some of the non-solid blocks won't break when the supporting blocks are broken.

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Add-on Notes

Add-on may only be compatible with Minecraft version 26.30 or higher.
This add-on is NOT using a 'player.json' file.
This add-on is mostly compatible with other add-ons.
Add-on will work on the realm or server; just make sure you install the correct files.
Add-on is not tested yet on the beta and preview versions of Minecraft, so expect some bugs if you are using those versions.
Remove the old packs before installing the new version of the packs.
If you create a review, gameplay video, or showcase of this add-on, please remember to give credit and include the original link to this webpage.
Do not provide any other download links.

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Installation!

Download the 'Nicos Cave Expansion (v1.9.4).mcaddon', or the seperated packs (Behavior Pack & Resource Pack).
Import the packs into Minecraft and wait until the both behavior pack and resource pack are successfully imported.
Make sure to install both the behavior pack and resource pack before entering you world.
This add-on doesn't need any experimental options to toggle to on.

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Subscribe to my YouTube channel:
https://youtube.com/channel/UC6AGGpDtm45mhWyCWEjBItQ

Donation to keep me working on my add-ons:
https://ko-fi.com/dangelarts

Discord server for all my add-ons:
https://discord.gg/5RfKGtQA3S

Follow me on Twitter:
https://twitter.com/dangel_art/

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(v1.9.4)

NEW UPDATES:

Version: 1.9.4

Version: 1.9.4

NOTE:

WORLD GENERATION:

MOBS:

BLOCKS:

VISUALS:

TECHNICAL CHANGES:

Version: 1.9.3

Version: 1.9.3

MOBS:

BLOCKS:

RECIPES:

Version: 1.9.2

Version: 1.9.2

NOTE:

TECHNICAL CHANGES:

ITEMS:

RECIPES:

Version: 1.9.1

Version: 1.9.1

NOTE:

BLOCKS:

MOBS:

ITEMS:

TECHNICAL CHANGES:

Version: 1.9

Version: 1.9

TECHNICAL:

MOBS:

BLOCKS:

Version: 1.8

Version: 1.8

NOTE:

TECHNICAL CHANGES:

RENAMED:

MOBS:

WORLD GENERATION:

BLOCKS:

ITEMS:

RECIPES:

Version: 1.7

Version: 1.7

NOTE:

"General"

"Fixes & Changes"

MOBS:

BLOCKS:

CONTENTS:

See more information here:

ModBay - Nico's Cave Expansion

Known Issues/Bugs

Add-on Notes

Installation!

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Nico's Cave Expansion

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Nicos Cave Expansion (v1.9.4).mcaddon

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