






Vanilla Fireflies Data Pack Bring the magic of fireflies to your Minecraft world, adding a touch of wonder and ambiance to swamp and mangrove swamp biomes at night.
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Features:
- The number of fireflies can be customized with the command /function vanilla_fireflies:menu (optional feature).
Screenshots:











Vanilla Fireflies Data Pack Download Links
Quick facts
- 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: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Vanilla Fireflies Data Pack (26.2, 1.21.1) – Illuminate the Night is a free Minecraft Java datapack. Compatible with Minecraft 1.21.1. Download it and open it directly in the game.