Ancient Lunar Dragon

{
  "ac": [
    {
      "ac": 18,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "19",
  "hp": {
    "average": 297,
    "formula": "17d20 + 119"
  },
  "cha": 17,
  "con": 24,
  "dex": 12,
  "int": 12,
  "str": 27,
  "wis": 15,
  "name": "Ancient Lunar Dragon",
  "page": 32,
  "save": {
    "con": "+13",
    "wis": "+8"
  },
  "size": [
    "G"
  ],
  "type": "dragon",
  "bonus": [
    {
      "name": "Phase (3/Day)",
      "entries": [
        "The dragon becomes partially incorporeal for as long as it maintains {@status concentration} on the effect (as if {@status concentration||concentrating} on a spell). While partially incorporeal, the dragon has resistance to bludgeoning, piercing, and slashing damage."
      ]
    }
  ],
  "skill": {
    "stealth": "+13",
    "perception": "+14"
  },
  "speed": {
    "fly": 80,
    "walk": 40,
    "burrow": 20
  },
  "trait": [
    {
      "name": "Legendary Resistance (3/Day)",
      "entries": [
        "If the dragon fails a saving throw, it can choose to succeed instead."
      ]
    },
    {
      "name": "Tunneler",
      "entries": [
        "The dragon can burrow through solid rock at half its burrowing speed and leaves a 20-foot-diameter tunnel in its wake."
      ]
    },
    {
      "name": "Unusual Nature",
      "entries": [
        "The dragon doesn't require air."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The dragon makes one Bite attack and two Claw attacks."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atk mw} {@hit 14} to hit, reach 15 ft., one target. {@h}15 ({@damage 2d6 + 8}) piercing damage plus 7 ({@damage 2d6}) cold damage."
      ]
    },
    {
      "name": "Claw",
      "entries": [
        "{@atk mw} {@hit 14} to hit, reach 10 ft., one target. {@h}15 ({@damage 2d6 + 8}) slashing damage."
      ]
    },
    {
      "name": "Tail",
      "entries": [
        "{@atk mw} {@hit 14} to hit, reach 20 ft., one target. {@h}15 ({@damage 2d6 + 8}) bludgeoning damage."
      ]
    },
    {
      "name": "Cold Breath {@recharge 5}",
      "entries": [
        "The dragon exhales a blast of frost in a 90-foot cone. Each creature in the cone must make a {@dc 21} Constitution saving throw. On a failed save, the creature takes 36 ({@damage 8d8}) cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn't reduced."
      ]
    }
  ],
  "immune": [
    "cold"
  ],
  "senses": [
    "darkvision 240 ft."
  ],
  "source": "BAM",
  "passive": 24,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH"
  ],
  "alignment": [
    "N",
    "E"
  ],
  "dragonAge": "ancient",
  "languages": [
    "Draconic"
  ],
  "legendary": [
    {
      "name": "Tail Attack",
      "entries": [
        "The dragon makes one Tail attack."
      ]
    },
    {
      "name": "Treacherous Ice",
      "entries": [
        "Magical ice covers the ground in a 20-foot radius centered on a point the dragon can see within 120 feet of itself. The ice, which is difficult terrain for all creatures except lunar dragons, lasts for 10 minutes or until the dragon uses this legendary action again."
      ]
    },
    {
      "name": "Wing Attack (Costs 2 Actions)",
      "entries": [
        "The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a {@dc 21} Dexterity saving throw or take 12 ({@damage 1d8 + 8}) bludgeoning damage and be knocked {@condition prone}. The dragon can then fly up to half its speed without provoking opportunity attacks."
      ]
    }
  ],
  "senseTags": [
    "SD"
  ],
  "traitTags": [
    "Legendary Resistances",
    "Tunneler",
    "Unusual Nature"
  ],
  "actionTags": [
    "Breath Weapon",
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "C",
    "P",
    "S"
  ],
  "languageTags": [
    "DR"
  ],
  "hasFluffImages": true,
  "legendaryGroup": {
    "name": "Lunar Dragon",
    "source": "BAM"
  },
  "alignmentPrefix": "typically ",
  "conditionInflict": [
    "prone"
  ],
  "savingThrowForced": [
    "constitution",
    "dexterity"
  ]
}