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Labyrinth Battle Maps Volume 2: Spiral of the Horned King (Out of the Abyss)


Labyrinth Battle Maps for Out of the Abyss (OotA) Volume 2: Spiral of the Horned King

Are you running Rage of Demons Out of the Abyss or another Underdark adventure? Introduce your players to more areas from Chapter 14: The Labyrinth with this set of 4K resolution battle maps.

Spoilers (players, stop reading now):



Would you like to impress your players with the glory of the Prince of Beasts, Baphomet? One entrance to the Labyrinth in the Underdark is the Spiral of the Horned King. This map pack features invocations to Baphomet written in blood. If your players don't understand Abyssal or can't cast comprehend languages, use the "Runes" version of the map. If they can translate, drag the "Abyssal" layer above the "Runes" layer to reveal messages written in Abyssal (English).


Locations include:

  • Spiral of the Horned King (includes a "Runes" version and a version where the runes are translated into Abyssal/English)
  • Maze (the Minotaurs' Maze)
  • March to Nowhere
  • Filthriddens



  • Fantasy Grounds Module with Grids, Line of Sight, & Effects
  • Also includes JPG maps (Grid, & No Grid)

This item is part of my Out of the Abyss Battle Maps Bundle

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Discussions (1)
Customer avatar
James L February 24, 2023 10:47 pm UTC
Are the grid sizes and dimensions for the maps listed anywhere? I'm finding myself having to count square-by-square to try to line up the JPG images in Roll20, and given that even the gridded versions appear to contain partial squares at the edges, it's exceedingly difficult to figure out.
Customer avatar
Harmony T March 01, 2023 5:23 pm UTC
Thank you for reaching out! I will include the horizontal x vertical grid numbers in the file name for future releases.

There are often partial squares at the edges because most maps have standard dimensions, but the scale of the scene on the maps are not always the same.

I'm not sure if Roll20 is similar, but I overlay the gridded version on the non-grid version in Fantasy Grounds. Then I can visually line up the grid tool, set the grid size, and delete the gridded version.

I appreciate your feedback, thanks again!
Customer avatar
James L March 03, 2023 8:25 pm UTC
Roll20's tool for adjusting the pixel size of the system grid based on a gridded image seems somehow to never correctly give the right dimensions; without both the grid square pixel size and the grid's X & Y dimensions, I'm mostly guessing, estimating, and hoping the players don't notice that the map is completely misaligned at the edges.
Customer avatar
Harmony T March 03, 2023 9:00 pm UTC
That is frustrating! I have very little experience with Roll20, so I did not know how difficult it was.

I will try to figure out how to determine the square pixel size and the X&Y dimensions of the grid for future releases. DMsGuild recently began hosting Roll20 formatting. I'll look into that process as well.
Customer avatar
James L March 03, 2023 10:12 pm UTC
Thank you for your responses; looking forward to seeing the last few chapters.
Customer avatar
Harmony T March 04, 2023 11:43 pm UTC
Here are the pixel sizes and offsets. I was able to get them by making a copy of the module, extracting with 7-ZIP, and opening the "db.xml". If this works for you, I will try to include this information in a PDF within the JPG folders for future releases.

Spiral of the Horned King 4K (Runes and Abyss):
Grid Size: 58.5 , 58.5
Grid Offset: -6, -471.7

Labyrinth Maze_4K:
Grid Size: 58.5 , 58.5
Grid Offset: -8 , -0.4000034

Labyrinth Filthriddens_4K
Grid Size: 135 , 135
Grid Offset: 1080 , 272
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File Last Updated:
February 22, 2023
This title was added to our catalog on February 22, 2023.