AdditionalEnderBlocks-2.1.jar is a release file of the Minecraft mod Additional Ender Blocks, made for Minecraft 1.12.2. It was published on June 17, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Additional Ender Blocks mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.