0.9 Multiplayer Adjustments & A Sky box! is a release file of the Minecraft mod End Expansion - The Lamented Islands for Forge, made for Minecraft 1.12.2. It was published on August 2, 2024 and is 18.7 MB in size. For the full description, screenshots and every other version, visit the End Expansion - The Lamented Islands mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.