KnY-Extra-Additions
Adds non-cannon content for Demon Slayer mod
Screenshots
About this Mod
KnY Extra Additions
A Forge addon mod for Kimetsu no Yaiba that adds custom breathing styles, nichirin swords, and demon slayer entities using the KimetsunoYaiba Tweaks API.
This is an add-on for Orca's Kimetsunoyaiba mod, and it requires the Kimetsunoyaiba Tweaks mod
Minecraft: 1.20.1 | Forge: 47.4.0+ | Java: 17
Features
Custom Breathing Styles
- Frost Breathing - 7 forms with ice/snow effects
- Ice Breathing - 7 forms with freezing abilities
- Alcohol Breathing - 7 forms with intoxicating effects
- Forest Breathing - 6 forms with nature-based attacks
Nichirin Swords
| Sword | Breathing Style | Category |
|---|---|---|
| Nichirinsword Frost | Frost (6 forms) | Nichirin |
| Nichirinsword Komorebi | Frost (7 forms) | Special |
| Nichirinsword Golden | Golden Frost | Special (Hidden) |
| Nichirinsword Ice | Ice (6 forms) | Nichirin |
| Nichirinsword Shimizu | Ice (7 forms) | Special |
| Nichirinsword Alcohol | Alcohol | Nichirin |
| Nichirinsword Sakebito | Alcohol | Special |
| Nichirinsword Forest | Forest | Nichirin |
| Nichirinsword Shinrinsha | Forest | Special |
Custom Entities
- Setsu Komorebi - Frost Breathing master with all 7 forms
- Akira Shimizu - Ice Breathing master with all 7 forms
- Ice Slayer - Generic Ice Breathing demon slayer
- Frost Slayer - Generic Frost Breathing demon slayer
Projectile Entities
- Thrown Sword - Used by Frost Breathing 6th Form: Polar Mark
Requirements
- Minecraft Forge 1.20.1 (47.4.0+)
- Kimetsu no Yaiba base mod
- Kimetsunoyaiba Tweaks API mod
- GeckoLib 4.4.9
Installation
- Install Minecraft Forge 1.20.1
- Download and install the Kimetsu no Yaiba base mod
- Download and install Kimetsunoyaiba Tweaks from Modrinth
- Download KnY Extra Additions and place in your
modsfolder
Usage
Obtaining Swords
All nichirin swords are available in the KnY Additions creative tab. Hidden swords like the Golden Frost sword are obtained through gameplay mechanics (7th form transformation).
Available Versions
How to Install KnY-Extra-Additions on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.6).
Install Mod
Open the mod browser in the dashboard and search for "KnY-Extra-Additions". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.6, 1.20.5, 1.20.4 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
KnY-Extra-Additions server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.6). You can switch loaders with one click in the panel.
Is KnY-Extra-Additions compatible with forge?
KnY-Extra-Additions officially supports forge for Minecraft 1.20.6, 1.20.5, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with KnY-Extra-Additions – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if KnY-Extra-Additions consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install KnY-Extra-Additions with just one click on your server.