Ignis Fatuus
Java mod listed for Minecraft 1.16–1.17. File opened and checked on 13 Oct 2026; downloads from the MC Java Mods app on Android.
I don't know my version or loader
TL;DR Carve Pumpkins; Make Jack-o'-lanterns; Do All The Things
Ignis Fatuus - A phosphorescent light that appears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; -- popularly called also Will-with-the-wisp, or Will-o'-the-wisp, and Jack-with-a-lantern, or Jack-o'-lantern.
It is recommended to use this mod with Canvas Renderer
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.17, 1.16.3, 1.16.2
- 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 ignis-fatuus-1.1.4.jar — drop this file into the mods folder
- Download size: 449 KB
- Download link checked 14 Oct 2026 — working
These come from our own check of the pack file, not from the source page.