Just Katana
Java mod listed for Minecraft 1.19–1.20. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
This mod adds a katana, oni masks, and upgraded katana variants created by combining the two!
🔹 Basic Katana
Craft your katana and prepare for upgrades!
🔨 Crafting

Oni Masks & Upgraded Katanas
Oni masks can't be worn yet — for now, they're used to upgrade your katana in the smithing table. Each mask gives the katana unique abilities.
🧊 Blue Mask (Ice Mask)
Crafted in the crafting table
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Right-click ability: Fires an ice shard that freezes and slows enemies.
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Normal hit: Slows the target on contact.
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Extra effect: Hitting an enemy with the shard gives you Resistance and Invisibility for 2 seconds.

⚛️ Purple Mask (End Mask)
Crafted in the crafting table

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Right-click ability: Fires a projectile that summons an amethyst crystal. Enemies around it will randomly teleport for 1 second.
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Normal hit: You swap places with the enemy you hit.
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Bonus: Hitting with the projectile also swaps places and gives Resistance and Invisibility for 2 seconds.

⚒️ Combining Katana + Mask
Use the smithing table to upgrade your katana with a mask

💎 Materials
You can craft Hard Steel!


More masks are coming soon (at least 4 planned) — each with new effects and visuals!
Perfect for players who want combat upgrades with a mystical twist.
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.19.4, 1.19.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as just_katana-1.0.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 60 KB
- Download link checked 19 Oct 2026 — working
These come from our own check of the pack file, not from the source page.