Casting Time: 1 minute
Range: 300 ft
Components: V, S, M
Duration: 24 hours
You conjure a shimmering door in range that lasts for the duration. The door leads to an extradimensional dwelling and is 5 feet wide and 10 feet tall. You and any creature you designate when you cast the spell can enter the extradimensional dwelling as long as the door remains open. You can open or close it (no action required) if you are within 30 feet of it. While closed, the door is imperceptible.
Beyond the door is a magnificent foyer with numerous chambers beyond. The dwelling's atmosphere is clean, fresh, and warm.
You can create any floor plan you like for the dwelling, but it can't exceed 50 contiguous 10-foot Cubes. The place is furnished and decorated as you choose. It contains sufficient food to serve a nine-course banquet for up to 100 people. Furnishings and other objects created by this spell dissipate into smoke if removed from it.
A staff of 100 near-transparent servants attends all who enter. You determine the appearance of these servants and their attire. They are invulnerable and obey your commands. Each servant can perform tasks that a human could perform, but they can't attack or take any action that would directly harm another creature. Thus the servants can fetch things, clean, mend, fold clothes, light fires, serve food, pour wine, and so on. The servants can't leave the dwelling.
When the spell ends, any creatures or objects left inside the extradimensional space are expelled into the unoccupied spaces nearest to the entrance.
Material Component:
a miniature door worth 15+ GP
Verbal Component:
Sie Domum Magnificus
Verbal Component (Alternative):
A spellbound abode, at magic's call; A magnificent mansion, hidden from all.
Classes: Bard, Wizard
Tags: Utility
Source: Player's Handbook (2024) (page 300)
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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).