The Soul Cauldron.zip is a release file of the Minecraft map Eronev 2: The Soul Cauldron - Challenge the Cauldron. by Jigarbov, made for Minecraft 1.9.1, 1.9.2, 1.9-Snapshot, 1.9. It was published on May 6, 2016 and is 12 MB in size. For the full description, screenshots and every other version, visit the Eronev 2: The Soul Cauldron - Challenge the Cauldron. by Jigarbov map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.