block_effect-neoforge-1.21.1-3.0.1.jar is a release file of the Minecraft mod BlockEffect for NeoForge, made for Minecraft 1.21.1. It was published on July 24, 2026 and is 1.9 MB in size. For the full description, screenshots and every other version, visit the BlockEffect mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
