Abyssal Planet

Abyssal Planet is a Forge 1.20.1 and Neo Forge 1.21.1 adventure mod featuring a vast underwater dimension, unique biomes, rare resources, tameable creatures, terrifying sea monsters, and massive bosses such as the Kraken and Abyssal Serpent.
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abyssalplanet-0.2.1-neoforge-1.21.1.jar

File nameabyssalplanet-0.2.1-neoforge-1.21.1.jar
Uploader
blueez93blueez93
Uploaded
Aug 9, 2026
Downloads
117
Size
7.2 MB
Mod Loaders
NeoForge
File ID
8608677
Type
R
Release
Supported game versions
  • 1.21.1

Curse Maven Snippet

NeoForge

implementation "curse.maven:abyssal-planet-1612574:8608677"

Learn more about Curse Maven

What's new

Abyssal Planet — Update 0.2.1

Minecraft 1.21.1 — NeoForge 21.1.244

This major update expands the Abyssal dimension with new biomes, structures, civilizations, bosses, legendary equipment, music, improved world generation, and many compatibility fixes.

New Boss — Hernia the Carrion

  • Added Hernia the Carrion, a gigantic and terrifying airborne vulture boss.
  • Hernia patrols high above the waters of the Abyss.
  • Features 1,800 health points and never regenerates naturally.
  • Focuses only one player at a time.
  • Watches its target for 10 seconds before performing a deadly dive attack.
  • Continues charging until it reaches its target.
  • Players near the water surface can still be attacked.
  • The attack is cancelled only when the target dives more than one block underwater.
  • Hernia then returns to the sky and resumes patrolling.
  • Added a dedicated boss bar.
  • Added custom flight, observation, dive, landing, resting and take-off animations.
  • Added a unique detailed 3D model and custom texture.
  • Hernia can land and rest for several minutes on Carrion Perches.
  • Defeating Hernia rewards the player with a Legendary Carrion Feather, delivered directly to their inventory.

New Structures

Carrion Perches

  • Added enormous Abyssal towers rising above the ocean.
  • Only four major towers are generated across the Decay Abyss:
    • Far North
    • Far South
    • Far East
    • Far West
  • Hernia can land, rest and take off from these towers.
  • The structure can be located with:

/locate structure abyssalplanet:carrion_perch

Drowned Shrine

  • Added a new mysterious underwater Abyssal structure.
  • The structure can be located with:

/locate structure abyssalplanet:drowned_shrine

New Biome — Decay Valley

  • Added Decay Valley, a new region found beyond Decay Road.
  • Introduced more varied terrain instead of large flat surfaces.
  • Added red dunes of different sizes and shapes.
  • Some enormous dunes rise completely above the Abyssal ocean.
  • Large dunes may support complete Abyssal settlements.
  • Improved terrain transitions between Abyssal biomes.
  • Villages are positioned on sufficiently large terrain to prevent buildings from floating, clipping or spilling into the water.

Abyssal Villages

  • Added large civilization-style villages to Decay Valley.
  • Large village dunes have approximately a 15% generation chance.
  • Added custom Abyssal villagers inspired by vanilla villagers.
  • Villagers retain familiar behaviours while receiving:
    • Unique Abyssal clothing
    • Blue-gold ornaments
    • Detailed robes
    • Improved facial details
    • Correctly aligned eyes
  • Added localized rain above Abyssal villages.
  • Added a permanent grey cooling cloud above each village.
  • Added a dedicated village theme.
  • Music fades in when entering a village and fades out when leaving.
  • Improved the music loop for smoother playback.

Blue-Gold Golem

  • Added the Abyssal Blue-Gold Golem.
  • Protects the inhabitants of Abyssal villages.
  • Uses behaviour inspired by the vanilla Iron Golem.
  • Added a completely redesigned 3D model.
  • Added detailed blue-gold armour, decorative reliefs and Abyssal energy elements.
  • Drops Blue-Gold Ingots when defeated.

New Boss — Rastard the Blacksmith

  • Added Rastard the Blacksmith, master of the Abyssal forge.
  • Rastard is larger and stronger than a normal villager.
  • Added a unique professional 3D model and detailed texture.
  • Added custom armour, blue-gold ornaments and forge-themed details.
  • Rastard peacefully works at his anvil before combat.
  • Added complete idle forging animations.
  • Added synchronized hammer impact sounds.
  • Rastard enters combat when:
    • He is attacked.
    • His anvil is destroyed.
  • Added a dedicated boss bar.
  • Attacks with powerful close-range hammer strikes.
  • Summons one Blue-Gold Golem after approximately 30 seconds of combat.
  • The golem can only be summoned once per fight.
  • Balanced so that a properly equipped player wearing diamond armour can defeat him.
  • Drops the Forged Hammer of the Abyss.

Forged Hammer of the Abyss

  • Added a powerful legendary 3D hammer.
  • Features a custom model, detailed texture and emissive Abyssal elements.
  • Deals heavy melee damage.
  • Right-clicking summons an allied Blue-Gold Golem.
  • The summoning ability has a one-minute cooldown.
  • Improved its inventory presentation.
  • Corrected its upside-down orientation.
  • Corrected its first-person positioning.
  • Corrected its third-person positioning.
  • The handle is now properly anchored inside the player’s hand instead of the wrist.
  • Improved how Rastard holds and uses the hammer.

Abyssal Anvil

  • Added the Abyssal Anvil.
  • Uses a redesigned, darker version of the vanilla anvil shape.
  • Features obsidian, blackened metal, blue gold and Abyssal energy.
  • Has a 5% chance to replace Rastard’s normal anvil.
  • Can be collected and placed inside a player’s base.
  • Allows players to enchant compatible items using an Abyssal Egg.
  • Place the item in the left slot and an Abyssal Egg in the right slot.
  • Added a searchable enchantment selection interface.
  • Each applied enchantment consumes one Abyssal Egg.
  • Items enchanted through the Abyssal Anvil receive the Curse of the Abyss signature.
  • Holding or wearing a cursed item applies the Darkness effect.
  • Darkness is removed when the affected item is no longer held or equipped.

Book of the Abyss

  • Added the Book of the Abyss.
  • Crafted using:
    • One Legendary Carrion Feather
    • One Abyssal Ink
    • One Book
  • Stores one target at a time.
  • Accepts:
    • Player names
    • Entity names
    • Exact entity registry IDs
  • The book’s bearer deals double damage to the selected target.
  • Designed to recognize entities from other mods for improved modpack compatibility.

World Generation Improvements

  • Improved the overall generation of Abyssal biomes.
  • Added more natural terrain height variation.
  • Added depressions, slopes, ridges and less predictable surfaces.
  • Reduced excessively flat terrain in the Decay Abyss.
  • Improved biome transitions and large-scale landscape readability.
  • Improved placement rules for villages and structures.
  • Reduced floating, buried or incorrectly placed structures.

Visual and Audio Improvements

  • Improved Hernia’s animations to make the boss faster, heavier and less unnatural.
  • Improved dive attack behaviour and transitions.
  • Improved landing, resting and take-off sequences.
  • Improved Rastard’s forging and combat animations.
  • Better synchronized hammer animations and impact sounds.
  • Improved the models and textures of Abyssal villagers.
  • Corrected the misplaced villager eye.
  • Improved the Blue-Gold Golem model and texture.
  • Fixed the upper section of Abyssal algae rendering as a solid square.
  • Improved several item models and inventory presentations.

Item Fixes

Fixed invisible inventory models for:

  • Blue Zwoing
  • Green Zwoing
  • Red Zwoing
  • Blinking Purple Zwoing

Compatibility and Stability

  • Added full support for Minecraft 1.21.1.
  • Updated the project to NeoForge 21.1.244.
  • Improved compatibility with large modpacks.
  • Fixed equipment synchronization packet encoding crashes.
  • Fixed crashes caused by holding certain Abyssal Planet items.
  • Fixed dedicated-server startup and loading problems.
  • Improved compatibility with modded entities used by the Book of the Abyss.
  • Improved client/server synchronization.
  • Added several smaller stability and presentation fixes.

World-generation additions will primarily appear in newly generated chunks.

This mod has no additional files