{
  "class": {
    "index": "warlock",
    "name": "Warlock",
    "url": "/api/2014/classes/warlock"
  },
  "desc": [
    "At 11th level, your patron bestows upon you a magical secret called an arcanum. Choose one 6th- level spell from the warlock spell list as this arcanum.",
    "You can cast your arcanum spell once without expending a spell slot. You must finish a long rest before you can do so again.",
    "At higher levels, you gain more warlock spells of your choice that can be cast in this way: one 7th- level spell at 13th level, one 8th-level spell at 15th level, and one 9th-level spell at 17th level. You regain all uses of your Mystic Arcanum when you finish a long rest."
  ],
  "index": "mystic-arcanum-9th-level",
  "level": 17,
  "name": "Mystic Arcanum (9th level)",
  "prerequisites": [],
  "updated_at": "2026-04-01T20:35:37.430Z",
  "url": "/api/2014/features/mystic-arcanum-9th-level"
}