Warlocks are among the most customizable classes in Dungeons & Dragons. In addition to a character's subclass, Warlocks are distinguished through their choice of Pact Feature and Eldritch Invocations, making every Warlock quite unique from each other. As Warlocks reach higher levels of the class, they gain access to a potent feature called Mystic Arcanum.
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Mystic Arcanum is among the most powerful assets at any Warlock's disposal, so it's integral that players make the most out of this feature once it becomes available. So for newcomers interested in playing the Warlock class, we're going to explore everything you need to know about Mystic Arcanum.
Traditionally, spellcasting-based classes like Clerics, Druids, and Wizards gain access to additional spell slots as they gain levels, gaining access to not just more spell slots, but slots of higher spell levels. Uniquely, despite being a full-fledged spellcasting class, Warlocks actually don't gain spell slots higher than fifth level. Though they don't have access to these higher-level spell slots, Warlocks are still capable of casting higher-level magic. Enter Mystic Arcanum.
Mystic Arcanum is a feature that first becomes available to Warlocks when they reach level 11 and is a powerful magical secret bestowed upon a character by their patron. This secret takes the form of one sixth-level spell that the Warlock at hand can cast once per long rest without the need to expend a spell slot.
In addition to this sixth-level Mystic Arcanum, a Warlock gains yet even more potent Mystic Arcanum options as they gain additional levels, gaining a seventh-level spell at level 13, one eighth-level spell at level 15,
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