Slithering Bloodfin

{
  "ac": [
    {
      "ac": 16,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "9",
  "hp": {
    "average": 93,
    "formula": "11d10 + 33"
  },
  "cha": 3,
  "con": 16,
  "dex": 14,
  "int": 2,
  "str": 20,
  "wis": 10,
  "name": "Slithering Bloodfin",
  "page": 209,
  "size": [
    "L"
  ],
  "type": "aberration",
  "bonus": [
    {
      "name": "Swallow",
      "entries": [
        "{@atk mw} {@hit 9} to hit, reach 5 ft., one Medium or smaller creature the bloodfin is grappling. {@h}The bloodfin swallows the target. The swallowed creature is no longer {@condition grappled} but is {@condition blinded} and {@condition restrained}. It has {@quickref Cover||3||total cover} against attacks and other effects outside the bloodfin, it takes 14 ({@damage 4d6}) necrotic damage at the start of each of its turns, and the bloodfin regains hit points equal to the necrotic damage dealt. A bloodfin can have only one creature swallowed at a time.",
        "If the bloodfin takes 30 damage or more on a single turn from the swallowed creature, the bloodfin must succeed on a {@dc 15} Constitution saving throw at the end of that turn or regurgitate the creature, which falls {@condition prone} in a space within 5 feet of the bloodfin and is no longer {@condition blinded} or {@condition restrained} by it."
      ]
    }
  ],
  "skill": {
    "perception": "+4"
  },
  "speed": {
    "swim": 50,
    "walk": 5
  },
  "trait": [
    {
      "name": "Death Burst",
      "entries": [
        "When the bloodfin dies, it explodes in a cloud of toxic blood. Each creature in a 10-foot-radius sphere centered on the exploding bloodfin, including any creature swallowed by the bloodfin, must succeed on a {@dc 15} Constitution saving throw or take 10 ({@damage 3d6}) poison damage. A creature inside the bloodfin when it explodes falls {@condition prone} in the space formerly occupied by the bloodfin and is no longer {@condition blinded} or {@condition restrained} by it."
      ]
    },
    {
      "name": "Water Breathing",
      "entries": [
        "The bloodfin can breathe only underwater."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The bloodfin makes one Bite attack and one Tail attack."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atk mw} {@hit 9} to hit (with advantage if the target is a creature missing any hit points), reach 5 ft., one target. {@h}14 ({@damage 2d8 + 5}) piercing damage, and if the target is a creature, it is {@condition grappled} (escape {@dc 15}). Until this grapple ends, the target is {@condition restrained}, and the bloodfin can't bite another target."
      ]
    },
    {
      "name": "Tail",
      "entries": [
        "{@atk mw} {@hit 9} to hit (with advantage if the target is a creature missing any hit points), reach 10 ft., one target. {@h}19 ({@damage 4d6 + 5}) bludgeoning damage."
      ]
    }
  ],
  "immune": [
    "poison"
  ],
  "senses": [
    "blindsight 100 ft. (blind beyond this radius)"
  ],
  "source": "CRCotN",
  "passive": 14,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW",
    "RCH"
  ],
  "alignment": [
    "U"
  ],
  "senseTags": [
    "B"
  ],
  "traitTags": [
    "Death Burst",
    "Water Breathing"
  ],
  "actionTags": [
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "I",
    "N",
    "P"
  ],
  "hasFluffImages": true,
  "conditionImmune": [
    "poisoned"
  ],
  "conditionInflict": [
    "grappled",
    "restrained"
  ],
  "savingThrowForced": [
    "constitution"
  ]
}