Ultimate Battle Arena.zip is a release file of the Minecraft map Ultimate Battle Arena of Time, made for Minecraft 1.12.2. It was published on August 8, 2021 and is 2 MB in size. For the full description, screenshots and every other version, visit the Ultimate Battle Arena of Time map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.