Core Spawn Worm

{
  "ac": [
    {
      "ac": 18,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "15",
  "hp": {
    "average": 279,
    "formula": "18d20 + 90"
  },
  "cha": 4,
  "con": 20,
  "dex": 5,
  "int": 6,
  "str": 26,
  "wis": 8,
  "name": "Core Spawn Worm",
  "page": 287,
  "save": {
    "con": "+10",
    "wis": "+4"
  },
  "size": [
    "G"
  ],
  "type": "aberration",
  "skill": {
    "perception": "+4"
  },
  "speed": {
    "walk": 60,
    "burrow": 40
  },
  "trait": [
    {
      "name": "Illumination",
      "entries": [
        "The worm sheds dim light in a 20-foot radius."
      ]
    },
    {
      "name": "Radiant Mirror",
      "entries": [
        "If the worm takes radiant damage, each creature within 20 feet of it takes that damage as well."
      ]
    },
    {
      "name": "Tunneler",
      "entries": [
        "The worm can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The worm makes two attacks: one with its barbed tentacles and one with its bite."
      ]
    },
    {
      "name": "Barbed Tentacles",
      "entries": [
        "{@atk mw} {@hit 13} to hit, reach 10 ft., one creature. {@h}25 ({@damage 5d6 + 8}) piercing damage, and the target is {@condition grappled} (escape {@dc 18}). Until this grapple ends, the target is {@condition restrained}. The tentacles can grapple only one creature at a time."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atk mw} {@hit 13} to hit, reach 10 ft., one target. {@h}30 ({@damage 5d8 + 8}) piercing damage. If the target is a Large or smaller creature, it must succeed on a {@dc 18} Dexterity saving throw or be swallowed by the worm. A swallowed creature is {@condition blinded} and {@condition restrained}, has {@quickref Cover||3||total cover} against attacks and other effects outside the worm, and takes 21 ({@damage 6d6}) fire damage at the start of each of the worm's turns.",
        "If the worm takes 30 damage or more on a single turn from a creature inside it, the worm must succeed on a {@dc 21} Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall {@condition prone} in a space within 10 feet of the worm. If the worm dies, a swallowed creature is no longer {@condition restrained} by it and can escape from the corpse by using 20 feet of movement, exiting {@condition prone}."
      ]
    }
  ],
  "immune": [
    "fire",
    "psychic"
  ],
  "senses": [
    "blindsight 30 ft.",
    "tremorsense 60 ft."
  ],
  "source": "EGW",
  "passive": 14,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH"
  ],
  "alignment": [
    "C",
    "E"
  ],
  "languages": [
    "understands Deep Speech but can't speak"
  ],
  "senseTags": [
    "B",
    "T"
  ],
  "traitTags": [
    "Illumination",
    "Tunneler"
  ],
  "actionTags": [
    "Multiattack",
    "Swallow"
  ],
  "damageTags": [
    "F",
    "P"
  ],
  "vulnerable": [
    "cold"
  ],
  "languageTags": [
    "CS",
    "DS"
  ],
  "hasFluffImages": true,
  "conditionImmune": [
    "charmed",
    "frightened"
  ],
  "conditionInflict": [
    "blinded",
    "grappled",
    "restrained"
  ],
  "savingThrowForced": [
    "constitution",
    "dexterity"
  ]
}