CaveModePack
About
A world preset data pack that adds "Cave Mode" — a 1000×1000, fully enclosed stone world with a bedrock floor and ceiling, no sky or surface. Features custom ore generation (coal, iron, copper), Petrified Wood blocks that drop craftable Petrified Wood Scraps (usable as charcoal fuel), and a Petrification Amulet crafted from scraps that permanently grants +2 hearts. Includes overworld-***** monster spawning throughout the stone layer.