{"index":"mystic-arcanum-9th-level","class":{"index":"warlock","name":"Warlock","url":"/api/2014/classes/warlock"},"name":"Mystic Arcanum (9th level)","level":17,"prerequisites":[],"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."],"url":"/api/2014/features/mystic-arcanum-9th-level","updated_at":"2026-04-01T20:35:37.430Z"}