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Modrinth · Minecraft mod
LostEra Coremod
Assets, bugfixes and gameplay changes for The Lost Era Modpack.
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which LostEra Coremod release should I use?
Latest stable file 1.3.4c
Game version 1.7.10
Loader Forge
LostEra Coremod 1.3.4c targets 1.7.10 with Forge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is LostEra Coremod required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
Client Optional
Dedicated server Optional
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source marks this as usable on both the client and server.
What else does LostEra Coremod 1.3.4c need?
1.3.4c. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add LostEra Coremod without breaking your instance.
Built for LostEra Coremod 1.3.4c. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.3.4c. It targets 1.7.10 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.3.4c. It opens that exact file at the source.
About this project
What does LostEra Coremod add?
The Official CoreMod of the Lost Era Modpack.
It contains patches, ASMs and utilities necessary to make the pack's content mesh together without issues.
Some of these patches include:
-Preventing users from enabling crash prone options from OF
-Disabling light emitting handheld items in the Deep Dark
-Fixing IC2's Luminator when paired with Aroma's Uncomplications
Overall a collection of small changes that prevent crashes, fixes existing bugs and patches unintended intermod gameplay conflicts.
More information about the pack can be found here:
https://modrinth.com/modpack/the-lost-era/
Project description from Modrinth.
Pick your setup
LostEra Coremod by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
LostEra Coremod versions and loaders
1.3.4c
pokepatch-1.3.4c.jar
31 May 2026
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.4b
pokepatch-1.3.4b.jar
5 Dec 2025
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.4
pokepatch-1.3.4a.jar
26 Jan 2025
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.3
pokepatch-1.3.3.jar
8 Jun 2024
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.2
pokepatch-1.3.2.jar
1 Jun 2024
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.1a
pokepatch-1.3.1a.jar
2 May 2024
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3.1
pokepatch-1.3.1.jar
28 Apr 2024
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.3
pokepatch-1.7.10-1.3.jar
3 Nov 2023
Client Optional Server Optional Dependencies No extras listed Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
1.2b
PokePatch-1.2b.jar
22 Feb 2023
Client Optional Server Optional Dependencies 1 required · 1 unchecked Listed on Release listing
Check the 1.7.10 · Forge setup 1.7.10Forge release
Looking for an older file? The official Modrinth project page is in Resources.
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