Casting Time: 8 hours
Range: Self
Components: V, M
Duration: 24 hours
User Created: This is an unofficial, user-created spell.
Check with your DM about using this spell.
Over the course of a long rest, your mind wanders and becomes open to terrible possibilities, allowing you to cast this spell and forgo three spells that you know or have memorized, allowing you to access a single spell from any other spell list for the duration (of a level you are able to cast, and you must have an open spell slot of that level available). The spell slot used for this spell is still consumed after this long rest and only returns on the one after that.
Material Component:
black sand
Verbal Component:
Sominium Horribilis
Classes: Bard, Warlock, Wizard
Source: Magic from the Multiverse
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Other Planes and Effects
Below is information about this spell as it relates to other planes and area of effects (i.e. underwater). Some of the information is pulled official D&D sources (such as books and the twitter feeds of D&D officials), but other information is derived from forums and online discussions. As always, it is up to the DM to decide how they wish to handle spell effects.
Underwater - Verbal Component
Official rules have been verified by Jeremy Crawford - "No rule prohibits verbal components from working underwater. Keep in mind that if you're talking, you're not holding your breath." Hence, while submerged underwater and holding its breath, a creature can cast a spell that requires a verbal component. After casting the spell, if the creature can't breathe underwater, it immediately runs out of breath. The creature can survive for a number of rounds equal to its Constitution modifier (minimum of 1 round).