OneBlock_Reborn_1.2.4 is a release file of the Minecraft map OneBlock 1.21.11 (Mounts of Mayhem), made for Minecraft 1.21.11. It was published on December 15, 2025 and is 5.7 MB in size. For the full description, screenshots and every other version, visit the OneBlock 1.21.11 (Mounts of Mayhem) map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
