Cradle of the Fire Scion

{
  "ac": [
    {
      "ac": 20,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "25",
  "hp": {
    "average": 555,
    "formula": "30d20 + 240"
  },
  "cha": 17,
  "con": 27,
  "dex": 12,
  "int": 12,
  "str": 28,
  "wis": 20,
  "name": "Cradle of the Fire Scion",
  "page": 172,
  "size": [
    "G"
  ],
  "type": "elemental",
  "bonus": [
    {
      "name": "Lava Geyser",
      "entries": [
        "The cradle causes lava to erupt from a point on the ground it can see within 120 feet of itself. Each creature in a 20-foot-radius, 50-foot-high cylinder centered on that point must succeed on a {@dc 21} Dexterity saving throw or take 14 ({@damage 4d6}) fire damage."
      ]
    }
  ],
  "speed": {
    "walk": 40
  },
  "trait": [
    {
      "name": "Awakening of the Scion",
      "entries": [
        "The cradle is a container for the {@creature scion of Surtur|BGG}. When the cradle drops to 0 hit points, its body hardens and crumbles to ash. The scion instantly appears in the space the cradle occupied and uses the cradle's initiative count."
      ]
    },
    {
      "name": "Legendary Resistance (5/Day)",
      "entries": [
        "If the cradle fails a saving throw, it can choose to succeed instead."
      ]
    },
    {
      "name": "Magic Resistance",
      "entries": [
        "The cradle has advantage on saving throws against spells and other magical effects."
      ]
    },
    {
      "name": "Siege Monster",
      "entries": [
        "The cradle deals double damage to objects and structures."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The cradle makes three Slam or Hurl Lava attacks in any combination."
      ]
    },
    {
      "name": "Slam",
      "entries": [
        "{@atk mw} {@hit 17} to hit, reach 20 ft., one target. {@h}31 ({@damage 4d10 + 9}) bludgeoning damage plus 14 ({@damage 4d6}) fire damage."
      ]
    },
    {
      "name": "Hurl Lava",
      "entries": [
        "{@atk rw} {@hit 17} to hit, range 120 ft., one target. {@h}27 ({@damage 4d8 + 9}) fire damage. If the target is a creature or a flammable object, it ignites. Until a creature within 5 feet of the fire takes an action to douse the fire, the target takes 10 ({@damage 3d6}) fire damage at the start of each of its turns."
      ]
    },
    {
      "name": "Erupting Breath {@recharge 5}",
      "entries": [
        "The cradle exhales flames and volcanic gases in a 90-foot cone. Each creature in that area must make a {@dc 24} Dexterity saving throw. On a failed save, a creature takes 55 ({@damage 10d10}) fire damage and has the {@condition poisoned} condition for 1 minute. On a successful save, a creature takes half as much damage only.",
        "A creature {@condition poisoned} in this way can make a {@dc 24} Constitution saving throw at the end of each of its turns, ending the effect on itself on a success."
      ]
    }
  ],
  "immune": [
    "fire",
    "poison"
  ],
  "resist": [
    "cold",
    "lightning",
    {
      "cond": true,
      "note": "from nonmagical attacks",
      "resist": [
        "bludgeoning",
        "piercing",
        "slashing"
      ]
    }
  ],
  "senses": [
    "darkvision 120 ft."
  ],
  "source": "BGG",
  "passive": 15,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH",
    "RW"
  ],
  "alignment": [
    "L",
    "E"
  ],
  "languages": [
    "Giant",
    "Primordial"
  ],
  "senseTags": [
    "SD"
  ],
  "traitTags": [
    "Legendary Resistances",
    "Magic Resistance",
    "Siege Monster"
  ],
  "actionTags": [
    "Breath Weapon",
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "F"
  ],
  "languageTags": [
    "GI",
    "P"
  ],
  "legendaryGroup": {
    "name": "Scion of Surtur",
    "source": "BGG"
  },
  "alignmentPrefix": "typically ",
  "conditionImmune": [
    "exhaustion",
    "petrified",
    "poisoned"
  ],
  "conditionInflict": [
    "poisoned"
  ],
  "savingThrowForced": [
    "constitution",
    "dexterity"
  ]
}