Echo of the Void — Release Changelog

Initial Release

Welcome to the first public release of Echo of the Void.

This version introduces the full foundation of the mod: global corruption phases, uncanny creature variants, paranoia events, weather corruption, lore progression, structures, endgame items, and the systems needed to turn survival into a true horror experience.

Core Features

Phase-Based Corruption System

• Added a full global corruption system with Phase 1 to Phase 4, plus a purged/disabled state
• Corruption now progresses over time and escalates naturally as the world becomes more hostile
• Deaths now accelerate corruption progression
• Added phase-based replacement rates for uncanny entities:
  • Phase 1: 1%
  • Phase 2: 20%
  • Phase 3: 60%
  • Phase 4: 100%
• Added support for phase locking and purging through the altar
• Added corrupted/glitched style messaging for late-game phase feedback

Persistent World State

• Added full saved world data for:
  • corruption phase and progress
  • purge and lock state
  • event cooldowns
  • active weather corruption
  • base tracking and player-related threat data
  • lore progression
  • structure tracking
  • persistent debug settings

Uncanny Creatures

Hostile Uncanny Variants

Added a large roster of uncanny hostile creatures, including:

• Zombie?
• Husk?
• Drowned?
• Zombie Villager?
• Skeleton?
• Stray?
• Creeper?
• Spider?
• Spiderling?
• Enderman?
• Endermite?
• Ghast?
• Phantom?
• Iron Golem?
• Pillager?
• Vindicator?
• Evoker?
• Ravager?
• Blaze?
• Wither Skeleton?
• Piglin Brute?
• Hoglin?
• Slime?
• Magma Cube?

Special Entities

Added custom special threats with their own behavior and encounter logic:

• Mimic
• Watcher?
• Attacker?
• Hurler?
• Shadow?
• Knocker?
• Presence?
• Terror?

Behavior and AI Reworks

• Added silent and uncanny behavior packs for core creatures
• Added expanded raid and Nether enemy reworks
• Added variant systems for major hostile families, including:
  • Zombie?
  • Skeleton?
  • Creeper?
  • Spider?
  • Enderman?
• Added phase-weighted hostile variant rollout
• Added debug support for hostile variants

Passive Uncanny Variants

Added passive uncanny systems for many vanilla creatures, each with multiple variant behaviors.

Covered species

• Chicken?
• Pig?
• Cow?
• Sheep?
• Wolf?
• Cat?
• Fox?
• Squid?
• Cod?
• Salmon?
• Parrot?
• Llama?
• Villager?
• Wandering Trader?

Passive variant systems include

• fake death behavior
• false eggs
• displaced or misleading sounds
• fake trade and mimic-like interactions
• aquatic ambush behavior
• cat-specific revive and sensing mechanics

Paranoia and Horror Events

Added a full event scheduler with phase-aware weighting, danger scaling, intensity profiles, global cooldowns, and per-event cooldowns.

Main event pool

• blackout
• footsteps
• flash
• baseReplay
• bell
• flashRed
• voidSilence
• falseFall
• ghostMiner
• caveCollapse
• falseInjury
• forceDrop
• corruptMessage
• bed
• asphyxia
• armorBreak
• aquaticSteps
• doorInversion
• phantomHarvest
• livingOre
• projectedShadow
• giantSun
• hunterFog

Variant-enabled event families

Several events now support multiple variants for better unpredictability and replay value, including:

• footsteps
• asphyxia
• armor break
• aquatic steps
• door inversion
• phantom harvest
• living ore
• projected shadow

Mimic Event System

• Added a full base-return Mimic event
• Uses bed-based base detection with fallback handling
• Includes cooldowns, blocking conditions, appearance logic, equipment copying, and targeting behavior

Special Encounter Orchestration

• Added dedicated weighted spawn logic for special entities
• Improved spawn rules for placement, water checks, Y-level handling, air checks, and base-only encounters where needed

Weather Corruption

Added a full weather corruption system with synced global atmospheric changes.

Rain corruption

• rain_silent
• rain_dry_storm
• rain_ash
• rain_sobbing

Thunder corruption

• thunder_silent
• thunder_artificial
• thunder_target_strike
• thunder_stroboscopic

Fog corruption

• fog_breathing
• fog_black
• fog_static_wall

Sky corruption

• sky_fake_morning
• sky_empty
• sky_pressure

Additional changes:

• Expanded weather durations into longer atmospheric windows
• Synced corrupted weather across multiplayer sessions

Atmosphere and Visual Horror

True Darkness

• Added progressive darkness tied to corruption phases
• Added full Phase 4 true darkness
• Added fog behavior linked to weather and event tags
• Added movement-reactive Hunter Fog
• Added custom giant sun rendering in the world sky pipeline
• Suppressed vanilla music in later phases for better atmosphere control

Structures and World Features

Added a procedural structure and feature system with rarity and progression awareness.

Core structures

• anechoic_cube
• mimic_shelter
• glitched_shelter
• patterned_grove
• barren_grid
• false_descent
• false_ascent
• isolation_cube

Spiral and vertical structures

• Added mathematical clockwise generation patterns
• Corrected stair orientation
• Improved vertical traversal and headroom
• Added ascent and descent variants

Secret house system

• Added black-door integration to eligible structures
• Added attached secret house generation
• Added dedicated house-forced testing variants

Locate support

• Added support for locating uncanny structures through custom markers

Lore and Secret Progression

Lore Tomes

• Added 6 full lore volumes
• Added progression tracking so players receive missing tomes first
• Prevented lore duplicates through per-player tracking
• Added a custom readable lore item:
  • Uncanny Lore Piece
• Added custom icon and direct open behavior for lore items

Secret Chest System

• Added curated junk loot to secret house chests
• Added lore roll logic on secret chest interaction
• Once all tomes are collected, secret chests can instead generate a renamed "Behind you" book and trigger Terror?
• Added debug logging for secret chest and lore systems

Endgame Foundation

Added the first full endgame item and block foundation for progression.

Items

• Uncanny Reality Shard
• Uncanny Reality Shard Piece
• Reality Cube
• Uncanny Lore Piece

Blocks

• Uncanny Altar
• Uncanny Egg
• Uncanny Black Web
• Void Door

Recipes

• 9 shard pieces -> 1 shard
• Reality Cube recipe added
• Uncanny Altar recipe added

Altar Features

• Added altar interface
• Added phase lock buttons
• Added purge action with confirmation
• Added corruption restart confirmation flow after purge

Commands and Debug Tools

Added a large command and testing suite under:

/uncanny

System commands

• setPhase
• addPhaseProgress
• setEventProfile
• setDangerLevel
• setDebugLogs

Spawn and test commands

• spawnUncanny
• spawnWatcher
• spawnShadow
• spawnHurler
• spawnStalker
• spawnAttacker
• spawnKnocker
• spawnPulse
• triggerEnderman
• forceMimic
• debugMimic
• debugEvents
• forcePassive
• forceFoxCry
• giveAllTomes

Event and weather commands

• /uncanny event <...>
• /uncanny eventVariant <event> <variant>
• /uncanny weather trigger <id>
• /uncanny weather stop

Structure location support

• /locate structure uncanny <feature>

Developer QA Menu

Added a full in-game QA and testing menu via:

/uncanny devmenu

Includes

• Entity testing
• Event testing
• Weather testing
• Structure testing

QA state colors

• Gray — untested
• Orange — session review
• Green — validated

Persistent QA tracking

• Added persistent QA state file in config

Audio Systems

• Added placeholder and future-ready custom sound registry support
• Prepared sound references for future custom audio assets
• Added support for:
  • displaced sound sources
  • near-head sound playback
  • selective sound muting
  • persistent sound behavior for specific effects

Networking and Multiplayer

• Added dedicated sync for:
  • phase state
  • paranoia effects and flags
  • weather state and tags
  • dev menu state and actions
  • directed effect packets
• Added world-global synchronization for phase and weather systems
• Added persistent profile and danger settings
• Added world-side and config-side debug persistence

Stability, Fixes, and Technical Improvements

Major fixes

• Fixed invalid mod jar packaging issues
• Fixed startup soft-lock / hang caused by unsafe random usage during spawn finalization
• Added fallback handling for missing placeholder sounds
• Fixed special spawns failing in edge placement cases
• Fixed lore chest roll lock caused by tick arithmetic overflow
• Fixed custom lore item opening behavior
• Cleaned up debug command alias issues
• Improved invalid spawn safety for boats, water, air checks, and base contexts
• Fixed multiple entity AI regressions during tuning
• Fixed spiral structure orientation and headroom issues
• Fixed ascent/descent structure alignment problems
• Fixed black texture and custom asset pathing issues

Content Scope Summary

This first release already includes:

• a full global corruption system
• uncanny hostile and passive creature ecosystems
• special paranoia-driven entities
• a large event framework with multiple variants
• weather corruption and advanced atmosphere systems
• true darkness and custom rendering effects
• procedural structures and secret lore progression
• altar and cube progression foundations
• extensive debug and QA tooling
• singleplayer and dedicated server support

Current Language Support

• EN only in this build

More content, balancing, polish, and future audio updates will come in later versions.