CaveWorldPlugin
About
A fully custom cave-world plugin adding a sealed 1000×1000 underground dimension split into 3 distinct layers (Stone, Deepslate, Blackstone). Features custom ores (Opal, Carbon), custom mobs (Skeleton Alpha, Opal Sentinel, Crimson Stalker, Gaia boss), a full empowerment altar system, soul-fire ritual/boss summoning, crystal gear with damage reflection, per-player world creation, NBT/JSON structure registry, and an optional resource pack for retextured blocks and items.