"Vecna" meaning in English

{
  "etymology_text": "Anagram of Vance, named after Jack Vance.",
  "head_templates": [
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      "args": {},
      "expansion": "Vecna",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Pages with 1 entry",
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          "source": "w"
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      "examples": [
        {
          "ref": "2014, Dungeons and Dragons and Philosophy, Read and Gain Advantage on All Wisdom Checks, Wiley:",
          "text": "On the other side are the cruel gods of evil, like the cadaverous Vecna and spidery Lolth, along with legions of demons and devils, grinning undead, and ugly, rampaging humanoids.",
          "type": "quote"
        }
      ],
      "glosses": [
        "an undead wizard, who achieved godhood after his demise with great power."
      ],
      "id": "en-Vecna-en-name-ytCPZIGy",
      "links": [
        [
          "undead",
          "undead"
        ],
        [
          "godhood",
          "godhood"
        ]
      ],
      "wikipedia": [
        "Jack Vance",
        "Vecna"
      ]
    }
  ],
  "word": "Vecna"
}

{
  "etymology_text": "Anagram of Vance, named after Jack Vance.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Vecna",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2014, Dungeons and Dragons and Philosophy, Read and Gain Advantage on All Wisdom Checks, Wiley:",
          "text": "On the other side are the cruel gods of evil, like the cadaverous Vecna and spidery Lolth, along with legions of demons and devils, grinning undead, and ugly, rampaging humanoids.",
          "type": "quote"
        }
      ],
      "glosses": [
        "an undead wizard, who achieved godhood after his demise with great power."
      ],
      "links": [
        [
          "undead",
          "undead"
        ],
        [
          "godhood",
          "godhood"
        ]
      ],
      "wikipedia": [
        "Jack Vance",
        "Vecna"
      ]
    }
  ],
  "word": "Vecna"
}