Ancient Sea Serpent

{
  "ac": [
    {
      "ac": 17,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "14",
  "hp": {
    "average": 170,
    "formula": "11d20 + 55"
  },
  "cha": 12,
  "con": 20,
  "dex": 15,
  "int": 13,
  "str": 24,
  "wis": 16,
  "name": "Ancient Sea Serpent",
  "page": 219,
  "save": {
    "con": "+10",
    "str": "+12"
  },
  "size": [
    "G"
  ],
  "type": "dragon",
  "skill": {
    "stealth": "+7",
    "perception": "+8"
  },
  "speed": {
    "swim": 60,
    "walk": 20
  },
  "trait": [
    {
      "name": "Amphibious",
      "entries": [
        "The sea serpent can breathe air and water."
      ]
    },
    {
      "name": "Legendary Resistance (2/Day)",
      "entries": [
        "If the sea serpent fails a saving throw, it can choose to succeed instead."
      ]
    },
    {
      "name": "Siege Monster",
      "entries": [
        "The sea serpent deals double damage to objects and structures."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The sea serpent makes one Bite attack and one Constrict or Tail attack."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atk mw} {@hit 12} to hit, reach 15 ft., one target. {@h}20 ({@damage 2d12 + 7}) piercing damage plus 6 ({@damage 1d12}) cold damage."
      ]
    },
    {
      "name": "Constrict",
      "entries": [
        "{@atk mw} {@hit 12} to hit, reach 20 ft., one creature. {@h}29 ({@damage 4d10 + 7}) bludgeoning damage, and the target is {@condition grappled} (escape {@dc 20}). Until this grapple ends, the target is {@condition restrained}, and the sea serpent can't constrict another target."
      ]
    },
    {
      "name": "Tail",
      "entries": [
        "{@atk mw} {@hit 12} to hit, reach 20 ft., one target. {@h}13 ({@damage 1d12 + 7}) bludgeoning damage. If the target is a creature, it must succeed on a {@dc 20} Strength saving throw or be pushed up to 30 feet away from the sea serpent and knocked {@condition prone}."
      ]
    },
    {
      "name": "Rime Breath {@recharge 5}",
      "entries": [
        "The sea serpent exhales a 60-foot cone of cold. Each creature in that area must make a {@dc 18} Constitution saving throw, taking 49 ({@damage 9d10}) cold damage on a failed save, or half as much damage on a successful one."
      ]
    }
  ],
  "immune": [
    "cold"
  ],
  "senses": [
    "darkvision 120 ft."
  ],
  "source": "FTD",
  "passive": 18,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH"
  ],
  "alignment": [
    "N"
  ],
  "dragonAge": "ancient",
  "languages": [
    "Common",
    "Draconic"
  ],
  "legendary": [
    {
      "name": "Tail",
      "entries": [
        "The sea serpent makes one Tail attack."
      ]
    },
    {
      "name": "Bite (Costs 2 Actions)",
      "entries": [
        "The sea serpent makes one Bite attack"
      ]
    }
  ],
  "senseTags": [
    "SD"
  ],
  "traitTags": [
    "Amphibious",
    "Legendary Resistances",
    "Siege Monster"
  ],
  "actionTags": [
    "Breath Weapon",
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "C",
    "P"
  ],
  "languageTags": [
    "C",
    "DR"
  ],
  "hasFluffImages": true,
  "alignmentPrefix": "typically ",
  "conditionInflict": [
    "grappled",
    "prone",
    "restrained"
  ],
  "referenceSources": [
    "FRAiF"
  ],
  "savingThrowForced": [
    "constitution",
    "strength"
  ]
}