MineCase/data/minecraft/advancements/story/enter_the_nether.json

{
  "parent": "minecraft:story/form_obsidian",
  "display": {
    "icon": {
      "item": "minecraft:flint_and_steel",
      "nbt": "{Damage:0}"
    },
    "title": {
      "translate": "advancements.story.enter_the_nether.title"
    },
    "description": {
      "translate": "advancements.story.enter_the_nether.description"
    },
    "frame": "task",
    "show_toast": true,
    "announce_to_chat": true,
    "hidden": false
  },
  "criteria": {
    "entered_nether": {
      "trigger": "minecraft:changed_dimension",
      "conditions": {
        "to": "minecraft:the_nether"
      }
    }
  },
  "requirements": [
    [
      "entered_nether"
    ]
  ]
}