Swarm of Hoard Scarabs

{
  "ac": [
    {
      "ac": 14,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "2",
  "hp": {
    "average": 31,
    "formula": "7d8"
  },
  "cha": 6,
  "con": 11,
  "dex": 16,
  "int": 3,
  "str": 6,
  "wis": 8,
  "name": "Swarm of Hoard Scarabs",
  "page": 205,
  "size": [
    "M"
  ],
  "type": {
    "type": "monstrosity",
    "swarmSize": "T"
  },
  "bonus": [
    {
      "name": "Scale Dust (1/Day)",
      "entries": [
        "The swarm releases magical glittering dust from its wings. Each creature within 10 feet of the swarm must succeed on a {@dc 13} Dexterity saving throw or be outlined in blue light for 10 minutes. While outlined in this way, a creature sheds dim light in a 10-foot radius and can't benefit from being {@condition invisible}. In addition, every Dragon within 1 mile of the creature becomes aware of it and can unerringly track the creature. Casting {@spell dispel magic} on the creature ends the effect on it."
      ]
    }
  ],
  "speed": {
    "fly": 20,
    "walk": 20,
    "burrow": 20
  },
  "trait": [
    {
      "name": "False Appearance",
      "entries": [
        "If the swarm is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn't observed the swarm move or act, that creature must succeed on a {@dc 18} Intelligence ({@skill Investigation}) check to discern that the swarm is animate."
      ]
    },
    {
      "name": "Swarm",
      "entries": [
        "The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny scarab. The swarm can't regain hit points or gain temporary hit points."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Swarm of Bites",
      "entries": [
        "{@atk mw} {@hit 5} to hit, reach 0 ft., one creature in the swarm's space. {@h}13 ({@damage 3d6 + 3}) piercing damage, or 6 ({@damage 1d6 + 3}) piercing damage if the swarm is at half of its hit points or fewer, and the target has disadvantage on attack rolls until the start of its next turn."
      ]
    }
  ],
  "resist": [
    "bludgeoning",
    "piercing",
    "slashing"
  ],
  "senses": [
    "darkvision 60 ft.",
    "tremorsense 60 ft."
  ],
  "source": "FTD",
  "passive": 9,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "AOE",
    "MW"
  ],
  "alignment": [
    "U"
  ],
  "senseTags": [
    "D",
    "T"
  ],
  "traitTags": [
    "False Appearance"
  ],
  "damageTags": [
    "P"
  ],
  "hasFluffImages": true,
  "conditionImmune": [
    "charmed",
    "frightened",
    "grappled",
    "paralyzed",
    "petrified",
    "prone",
    "restrained",
    "stunned"
  ],
  "savingThrowForced": [
    "dexterity"
  ]
}