Things to note about Vanilla Ruined Portals

• There are 10 regular sized variants and 3 giant variants as determined by random selection between different NBT files.
• There are multiple biome types:
  • Standard (Spawns on Beaches, Rivers, Taigas, Forests, Mushroom Fields, Ice Spikes, Dripstone Caves, Lush Caves, Savannas, Snowy Plains, Plains, and Sunflower Plains)
    • Can be Underground or On Surface
      • Underground will always create an air pocket, while On Surface has a 50% chance.
    • Has a 0.2 chance of having Stone Bricks and Obsidian replaced by ruined block variants (Mossy, Cracked, Crying).
    • Can be cold, meaning Magma Blocks can rarely be replaced by Netherrack.
  • Desert (Spawns in Deserts)
    • Generate Partly Buried
    • No air pocket and no ruined blocks.
  • Jungle (Spawns in Jungles)
    • Generate On Surface
    • 50% chance of air pocket.
    • Have a 0.8 chance of having ruined blocks.
    • Generate overgrown and with vines.
  • Ocean (Spawns in Oceans)
    • Generates on Ocean Floor
    • no air pocket
    • 0.8 chance of ruined blocks.
    • can be cold
  • Swamp (Spawns in Swamps and Mangrove Swamps)
    • Generate On Ocean Floor (in water).
    • No air pocket.
    • 0.5 chance of ruined blocks.
    • Can have vines.
  • Mountain (Spawns in Badlands, Hills, Savannas Plateaus, Windswept Savannas, Stony Shores, and Mountains)
    • Can be In Mountain or On Surface
      • In mountain will always have air pocket, while on surface has 50% chance.
    • 0.2 chance of ruined blocks.
    • Can be cold.
  • Nether
    • 0.5 air pocket chance.
    • No block ruining.
    • Stone bricks will be replaced with blackstone.