{
  "_readme": [
    "Island catalog for the World System (docs/wiki/world/world-system.md).",
    "Owner-edited tuning data — the owner owns every number here.",
    "Gate types: 'skill' (skill id + level) is the only live type at launch;",
    "'deed' and 'quest' are reserved (D-WORLD-SYSTEM-04) and must not be used",
    "until their systems are designed. An island absent from this file is",
    "Coming Soon (D-WORLD-SYSTEM-09). status: live | coming-soon.",
    "Entries marked illustrative:true carry V1 brainstorm names without",
    "ratified content design — placeholders for shape, not commitments."
  ],
  "tiers": [
    {
      "id": "T1",
      "name": "Early Reaches",
      "islands": [
        {
          "id": "skeleton_zone",
          "name": "Skeleton Zone",
          "branch": "combat",
          "gate": { "type": "skill", "skill": "combat_level", "level": 5 },
          "status": "coming-soon",
          "illustrative": true
        },
        {
          "id": "farmers_island",
          "name": "Farmer's Island",
          "branch": "farming",
          "gate": { "type": "skill", "skill": "farming", "level": 10 },
          "status": "coming-soon",
          "illustrative": true
        },
        {
          "id": "mistwood",
          "name": "Mistwood",
          "branch": "woodcutting",
          "gate": { "type": "skill", "skill": "woodcutting", "level": 10 },
          "status": "coming-soon",
          "illustrative": true
        }
      ]
    },
    {
      "id": "T2",
      "name": "Mid Reaches",
      "islands": [
        {
          "id": "desert_island",
          "name": "Desert Island",
          "branch": "combat",
          "gate": { "type": "skill", "skill": "combat_level", "level": 25 },
          "status": "coming-soon",
          "illustrative": true
        },
        {
          "id": "deep_caves",
          "name": "Deep Caves",
          "branch": "mining",
          "gate": { "type": "skill", "skill": "mining", "level": 30 },
          "status": "coming-soon",
          "illustrative": true
        }
      ]
    },
    {
      "id": "T3",
      "name": "Far Reaches",
      "islands": [
        {
          "id": "violet_crystalshroom",
          "name": "Violet Crystalshroom",
          "branch": "combat",
          "gate": { "type": "skill", "skill": "combat_level", "level": 45 },
          "status": "coming-soon",
          "illustrative": true
        },
        {
          "id": "volcanic_island",
          "name": "Volcanic Island",
          "branch": "farming",
          "gate": { "type": "skill", "skill": "farming", "level": 60 },
          "status": "coming-soon",
          "illustrative": true
        },
        {
          "id": "sky_skull_reach",
          "name": "Sky Skull Reach",
          "branch": "combat",
          "gate": { "type": "skill", "skill": "combat_level", "level": 60 },
          "status": "coming-soon",
          "illustrative": true
        }
      ]
    },
    {
      "id": "T4",
      "name": "Endgame Reaches",
      "islands": [
        {
          "id": "crystal_depths",
          "name": "Crystal Depths",
          "branch": "mining",
          "gate": { "type": "skill", "skill": "mining", "level": 80 },
          "status": "coming-soon",
          "illustrative": true
        }
      ]
    }
  ]
}