“Built by priests of Amon-Gorloth, this dungeon was constructed and adapted from existing caverns following their dreams channeled from Amon-Gorloth itself—making them a twisted and nightmarish version of the convoluted mausoleums under the desert sands where Amon-Gorloth sleeps and dreams.”—Dyson Logos on “The Deep Halls”

In 44 words, Dyson Logos describes the backdrop against which our adventures in The Deep Halls play out. While one might use the map and imagine a different scenario, constraint conjures creativity.

Let’s take a close look at what we know about Amon-Gorloth. In this analysis, I point up aspects that seem important. Where I speculate about consequences, a DM may be otherwise inspired.

Horror

Channeled dreams, twisted and nightmarish caverns, convoluted mausoleums—these cues set the tone. We explore a Lovecraftian underworld, where even our dreams may be assaulted.

Its Priests

That “it” has devoted priests implies the being is of a higher supernatural order. No mere demon or devil, whether lesser or greater, its status is divine.

We might take the label in the sense of the worshipers’ rank, but 3rd-level clerics are unlikely to provide adequate challenge even on The Deep Halls Level 3.

Construction

Much of the dungeon is finished in ashlar masonry. Where the walls abut natural stone, the rock may be rough-hewn. Unworked caverns, conforming already to the channeled dream, are no less invested by the priests.

With what labor or magical means did the priests effect the construction? Slaves may yet be chained. Thralls might still do their bidding. Former servants, their usefulness outlived, may now walk the halls as undead.

Halls and Mausoleums

As a general guide, any space two or more squares wide and at least twice as long is a “hall,” used by the priests to some devotional purpose, including entombment. A generous portion of chambers are dressed as mausoleums.

mausoleum noun
: a large tomb
especially : a usually stone building with places for entombment of the dead above ground

—Webster’s

Under Desert Sands

The Deep Halls are a dream-conjured copy of the being’s current abode. Centuries or millennia have passed since it lay to sleep.

Dreams

As does the supernatural being, so do its priests. They channel its dreams through their own. Reverie is a form of worship, through which they acquire daily spells and commune with the god. But to what end…?