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Kimetsunoyaiba Tweaks Mod expands the popular Kimetsu no Yaiba mod with proper multiplayer support and new activities. It syncs player animations so you can finally see your friends perform breathing styles on servers. The addon also introduces a large quest system where you can choose to become a demon slayer, a demon, a kakushi, or a swordsmith. You get new ways to display your swords on your character, updated attack visual effects, and a custom builder to create your own blood demon art.

Kimetsunoyaiba Tweaks Mod

Features:

  • Multiplayer Animations: Syncs all breathing style and attack animations so every player on the server can see them.
  • Sword Display: Shows your unequipped nichirin swords resting on your hip or back.
  • Meditation System: Lets you sit on a cushion to open a special menu for stats, skills, and navigation.
  • Adds a detailed quest system with four different paths for slayers, demons, kakushi, and swordsmiths.
  • Allows demon players to build their own custom blood demon arts by picking colors, particles, and specific attack moves.
  • Updates existing breathing styles, including an animated whip sword for love breathing and better dual wielding for beast breathing.
  • Gives players helpful familiars like Kasugai crows or demon eyes to guide them to quest locations.
  • Includes a Demon Alchemy system where you can craft items to unlock new attack moves.
  • Creates visual sword slash effects and custom particles when you swing your weapon.
  • Supports Custom NPCs so they can use nichirin swords and perform breathing forms.

How to Play:

  1. Right-click a cushion to sit down and click the meditate button to open your main stats menu.
  2. To find a Kakushi, open the meditation menu, go to the Navigation tab, select Swordsmith Village, and follow your crow.
  3. Hold a scarlet ore in your hand when talking to a Kakushi to travel to the Swordsmith Village.
  4. Equip the blindfold on your head slot when the Kakushi asks you to wear it.
  5. Open the Skills tab inside the meditation menu to build and upgrade your custom blood demon art.

Screenshots:

A player character standing in a dense forest of blooming purple wisteria trees
A player character standing in a dense forest of blooming purple wisteria trees
Player choosing between becoming a demon or dying in a custom menu screen
Player choosing between becoming a demon or dying in a custom menu screen
Player with swords on back rowing a boat past glowing pink and blue trees
Player with swords on back rowing a boat past glowing pink and blue trees
Character in a white hat using a microscope inside a complex wooden structure
Character in a white hat using a microscope inside a complex wooden structure
A microscope interface showing a slide being examined in Kimetsunoyaiba Tweaks Mod
A microscope interface showing a slide being examined in Kimetsunoyaiba Tweaks Mod
A black Kasugai crow flies through the sky above a grassy landscape
A black Kasugai crow flies through the sky above a grassy landscape
A massive pink and white energy blast erupts in the dark Minecraft world
A massive pink and white energy blast erupts in the dark Minecraft world
First person view of a pink nichirin sword during a multiplayer duel
First person view of a pink nichirin sword during a multiplayer duel

Requirements:

Minecraft Forge Required
KnY-Worlds Required

Kimetsu no Yaiba Mod RequiredMob Player Animator Mod Required

playerAnimator Required

GeckoLib Mod Required

MobPlayerAnimator Required
KnY Worlds Required

Kimetsunoyaiba Tweaks Mod Download Links

For Minecraft 1.20.6, 1.20.5, 1.20.4

Forge 142 MB Aug 10, 2026

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