ModsJava
Armamentarium
Adds 40+ Mythical Weapons with Unique and Powerful Abilities, all inside a gear-based Progression System. Choose what weapon will star in your journey…
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.




Adds 40+ Mythical Weapons with Unique and Powerful Abilities, all inside a gear-based Progression System. Choose what weapon will star in your journey, and discover how to create it using the Advancement menu.
Verified by MCModsHub
- Ships as armamentarium-v1.1.1-[1.20.1].kar.jar — drop this file into the mods folder
- Download size: 1.2 MB
- Download link checked 18 Aug 2026 — working
These come from our own check of the pack file, not from the source page.