Boon of the Stormborn

{
  "name": "Boon of the Stormborn",
  "page": 232,
  "type": "Boon",
  "__prop": "reward",
  "source": "DMG",
  "entries": [
    "You have immunity to lightning and thunder damage. You can also cast {@spell thunderwave} (save {@dc 15}) at will, without using a spell slot or any components."
  ],
  "additionalSpells": [
    {
      "innate": {
        "_": [
          "thunderwave"
        ]
      }
    }
  ]
}