Core Spawn Seer

{
  "ac": [
    {
      "ac": 17,
      "from": [
        "natural armor"
      ]
    }
  ],
  "cr": "13",
  "hp": {
    "average": 153,
    "formula": "18d8 + 72"
  },
  "cha": 16,
  "con": 18,
  "dex": 12,
  "int": 22,
  "str": 14,
  "wis": 19,
  "name": "Core Spawn Seer",
  "page": 286,
  "save": {
    "cha": "+8",
    "dex": "+6",
    "int": "+11",
    "wis": "+9"
  },
  "size": [
    "M"
  ],
  "type": "aberration",
  "skill": {
    "perception": "+9"
  },
  "speed": {
    "walk": 30
  },
  "trait": [
    {
      "name": "Earth Glide",
      "entries": [
        "The seer can traverse through nonmagical, unworked earth and stone. While doing so, the seer doesn't disturb the material it moves through."
      ]
    },
    {
      "name": "Magic Resistance",
      "entries": [
        "The seer has advantage on saving throws against spells and other magical effects."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The seer uses Fission Staff twice, Psychedelic Orb twice, or each one once."
      ]
    },
    {
      "name": "Fission Staff",
      "entries": [
        "{@atk mw} {@hit 8} to hit, reach 5 ft., one creature. {@h}9 ({@damage 1d6 + 6}) bludgeoning damage plus 18 ({@damage 4d8}) radiant damage, and the target is knocked {@condition prone}."
      ]
    },
    {
      "name": "Psychedelic Orb",
      "entries": [
        "The seer hurls a glimmering orb at one creature it can see within 120 of it. The target must succeed on a {@dc 19} Wisdom saving throw or take 27 ({@damage 5d10}) psychic damage and suffer a random condition until the start of the seer's next turn. Roll a {@dice d6} for the condition: (1-2) {@condition blinded}, (3-4) {@condition frightened}, or (5-6) {@condition stunned}."
      ]
    }
  ],
  "immune": [
    "psychic"
  ],
  "senses": [
    "blindsight 60 ft.",
    "tremorsense 60 ft."
  ],
  "source": "EGW",
  "passive": 19,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "MW"
  ],
  "reaction": [
    {
      "name": "Fuse Damage",
      "entries": [
        "When the seer is hit by an attack, it takes only half of the triggering damage. The first time the seer hits with a melee attack on its next turn, the target takes an extra {@damage 1d6} radiant damage."
      ]
    }
  ],
  "alignment": [
    "C",
    "E"
  ],
  "languages": [
    "Common",
    "Deep Speech",
    "telepathy 120 ft.",
    "Undercommon"
  ],
  "senseTags": [
    "B",
    "T"
  ],
  "traitTags": [
    "Magic Resistance"
  ],
  "actionTags": [
    "Multiattack"
  ],
  "damageTags": [
    "B",
    "R",
    "Y"
  ],
  "languageTags": [
    "C",
    "DS",
    "TP",
    "U"
  ],
  "hasFluffImages": true,
  "conditionImmune": [
    "charmed",
    "frightened"
  ],
  "conditionInflict": [
    "prone"
  ],
  "savingThrowForced": [
    "wisdom"
  ]
}