Fathomless Crimson Mod (1.20.1) is a horror-focused Minecraft mod that introduces a hostile faction and a powerful entity called The Undaunted. Unlike traditional horror mods that rely on constant jumpscares or unavoidable deaths, this mod emphasizes balanced gameplay, progression, and combat mastery. The mod is inspired by Born In Chaos, Aquamirae, and Cave Dweller. It focuses on meaningful encounters, structured events, and equipment progression while remaining fully playable in survival worlds and multiplayer servers.

Features:

  • Event System
    • Uses an accumulated chance system
    • Default spawn chance: 1 in 20000
    • Events can increase the probability of major encounters
    • Hallucinations may occur (can be disabled in config)
    • Higher config value = fewer events and longer cooldowns
  • Main Entity – The Undaunted
    • A corrupted crimson deer-like creature
    • Not invincible – fully killable
    • Has animated attacks and advanced AI
    • Can swim and teleport (anti-cheese mechanic)
    • Before spawning, a red warning may appear in the action bar
    • Purple attacks break shields if blocking
    • Purple attacks deal no damage if not blocking
  • New Weapons
    • Crimson Dagger
      • Crafted by upgrading an iron sword with a crimson ingot
      • Applies Bleed (10s) and Wither (5s)
      • 6 damage, 2.1 attack speed
      • Dagger moveset if Better Combat is installed
    • Sanguine Blade
      • Upgraded from Crimson Dagger using Sanguine Necklace
      • Focuses on lifesteal and absorption
      • Applies stacking Sundering (reduces enemy damage, increases damage taken)
    • Staff of Malice
      • Right-click casts explosive blood orb
      • Deals 15 damage
      • Applies Bleeding II (6s)
    • The Emissary
      • Upgradeable greatsword
      • Default AOE swing with cooldown
      • Supports 4 cores:
        • Vainglory Core
        • Soul Edge Core
        • Frost Core
        • Inferno Core
    • Disk of Alternation
      • Summons Arbiters from the ground
      • Applies Deluge and drains oxygen
      • Upgradeable (4 variants)
    • Aspect Seeker
      • Mobility-focused dagger
      • Upgradeable via cores
      • Crafted from Archbishop drops
    • Relic Weapons
      • Found in structures
      • Unique tooltips explain abilities in-game
  • Armor Sets
    • Crimson / Warfront Set
      • Alternative to diamond armor
      • Higher armor toughness, lower base armor
      • Full set grants stacking Warfront Buff (up to 90%)
    • Herald’s Helmet
      • Upgraded Crimson Helmet
      • More armor than Netherite
      • Offense-focused bonus
  • Hostile Faction & Mobs
    • Faceless
      • Disguises as wildlife
      • Attacks when approached
    • Courier
      • Observer entity
      • Does not attack
      • Acts as faction scout
    • Bishop
      • Spellcasting illager
      • Summons homing daggers and ground beams
      • Drops Elixir of Hatred
    • Accursed
      • Weak reanimated guards
      • Low detection range
    • Executioners
      • Flying attackers
      • Inflict bleed
      • Damage themselves when attacking
    • Cultists of Crimson
      • Cultist – melee fighter
      • Priest – healer & spellcaster
      • Herald – miniboss with glaive
    • Archbishop
      • Main boss in Archbishop’s Tower
      • Multi-range pressure combat style
      • Enters desperation phase at 50% HP
      • Temporary lifesteal and stronger attacks
  • Additional Features
    • New structures with lore
    • Animated combat systems
    • Anti-cheese mechanics

Screenshots:

Requires:

Minecraft Forge

GeckoLib Mod

Nexus Layer Mod

How to install:

Click the following link to view details: How to Install Mods for Minecraft Java Edition on PC: A Beginner Guide

Fathomless Crimson Mod (1.20.1) Download Links

For Minecraft 1.20.1, 1.20

Forge version: Download from Server 1Download from Server 2

Click to rate this post!
[Total: 1 Average: 5]