prismarine_mg is a release file of the Minecraft data pack MG's Prismarine, made for Minecraft 1.21.11. It was published on May 21, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the MG's Prismarine data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.