Ancient Solar Dragon

{
  "ac": [
    {
      "ac": 18,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "21",
  "hp": {
    "average": 425,
    "formula": "23d20 + 184"
  },
  "cha": 16,
  "con": 26,
  "dex": 15,
  "int": 17,
  "str": 28,
  "wis": 18,
  "name": "Ancient Solar Dragon",
  "page": 50,
  "save": {
    "cha": "+10",
    "con": "+15",
    "dex": "+9",
    "wis": "+11"
  },
  "size": [
    "G"
  ],
  "type": "dragon",
  "skill": {
    "stealth": "+9",
    "perception": "+18"
  },
  "speed": {
    "fly": {
      "number": 120,
      "condition": "(hover)"
    },
    "walk": 30,
    "canHover": true
  },
  "trait": [
    {
      "name": "Flyby",
      "entries": [
        "The dragon doesn't provoke opportunity attacks when it flies out of an enemy's reach."
      ]
    },
    {
      "name": "Legendary Resistance (3/Day)",
      "entries": [
        "If the dragon fails a saving throw, it can choose to succeed instead."
      ]
    },
    {
      "name": "Nebulous Thoughts",
      "entries": [
        "Magical attempts to read the dragon's mind or glean its thoughts fail automatically."
      ]
    },
    {
      "name": "Siege Monster",
      "entries": [
        "The dragon deals double damage to objects and structures."
      ]
    },
    {
      "name": "Unusual Nature",
      "entries": [
        "The dragon doesn't require air."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The dragon makes one Bite attack and one Tail attack."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atk mw} {@hit 16} to hit, reach 20 ft., one target. {@h}19 ({@damage 3d6 + 9}) piercing damage plus 10 ({@damage 3d6}) radiant damage."
      ]
    },
    {
      "name": "Tail",
      "entries": [
        "{@atk mw} {@hit 16} to hit, reach 20 ft., one target. {@h}13 ({@damage 1d8 + 9}) bludgeoning damage."
      ]
    },
    {
      "name": "Photonic Breath {@recharge 5}",
      "entries": [
        "The dragon exhales a flashing mote of radiant energy that travels to a point the dragon can see within 240 feet of itself, then blossoms into a 40-foot-radius sphere centered on that point. Each creature in the sphere must make a {@dc 23} Constitution saving throw, taking 66 ({@damage 12d10}) radiant damage on a failed save, or half as much damage on a successful one."
      ]
    }
  ],
  "immune": [
    "radiant"
  ],
  "senses": [
    "darkvision 240 ft."
  ],
  "source": "BAM",
  "passive": 28,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH"
  ],
  "alignment": [
    "N"
  ],
  "dragonAge": "ancient",
  "languages": [
    "Draconic"
  ],
  "legendary": [
    {
      "name": "Tail Attack",
      "entries": [
        "The dragon makes one Tail attack."
      ]
    },
    {
      "name": "Blinding Brilliance (Costs 2 Actions)",
      "entries": [
        "The dragon emits magical light in a 30-foot-radius sphere centered on itself. Each creature in this area must succeed on a {@dc 23} Wisdom saving throw or be {@condition blinded} until the end of its next turn."
      ]
    }
  ],
  "senseTags": [
    "SD"
  ],
  "traitTags": [
    "Flyby",
    "Legendary Resistances",
    "Siege Monster",
    "Unusual Nature"
  ],
  "actionTags": [
    "Breath Weapon",
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "P",
    "R"
  ],
  "languageTags": [
    "DR"
  ],
  "hasFluffImages": true,
  "legendaryGroup": {
    "name": "Solar Dragon",
    "source": "BAM"
  },
  "alignmentPrefix": "typically ",
  "conditionImmune": [
    "blinded"
  ],
  "conditionInflict": [
    "blinded"
  ],
  "savingThrowForced": [
    "constitution",
    "wisdom"
  ]
}