vampire_spells_addon-neoforge-1.21.1-0.0.9.jar is a release file of the Minecraft mod Vampirism Iron's Spells Compatibility for NeoForge, made for Minecraft 1.21.1. It was published on July 28, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Vampirism Iron's Spells Compatibility mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.