
eternal_core_starter
Tired of the hassle of Mending? This mod introduces a new item that directly applies an "Unbreakable" tag to tools and armor, completely eliminating…
⬇ Download on ModrinthEternal Core: Starter is a practical utility mod for Minecraft designed to optimize the vanilla survival experience. This mod adds the item "Eternal Core," which can apply the "Unbreakable" NBT tag to tools or armor at the game's code level.
The mod works on both client and server. Please note that if the client has this mod installed, the server must also have it installed (and vice versa).
Installation
Please note that this mod is currently only compatible with NeoForge 1.21.1. Make sure you have the latest version of the NeoForge loader installed to avoid any issues. Then, simply place the mod file into your mods folder—no other mods or additional configuration are required.
How to Use
- To apply to armor: Place the armor in your off-hand slot and the Eternal Core item in your main hand.
- To apply to tools: Place the tool in your main hand and the Eternal Core item in your off-hand.
Notes
Due to the unique nature of this mod, it can apply the NBT tag to almost all tools and armor from other mods that have durability.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 Modrinth — 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 eternal_core_starter-1.1.0.jar — drop this file into the mods folder
- Download size: 70 KB
- Download link checked 22 Aug 2026 — working
These come from our own check of the pack file, not from the source page.