Mystic Arcanum (8th level) is a Warlock feature gained at level 15 in D&D 5e. At 11th level, your patron bestows upon you a magical secret called an arcanum.
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.
Frequently Asked Questions
At 11th level, your patron bestows upon you a magical secret called an arcanum.
You gain Mystic Arcanum (8th level) at level 15 Warlock progression.
Yes. Mystic Arcanum (8th level) is a Warlock class feature in D&D 5e.