CHTHONOTRON – a pictorial example

Chthonic Codex: Mysteries & Mystagogues features CHTHONOTRON, which is a pointcrawl generator for the Hypogea. Follow it and you have a serviceable campaign map for you Chthonic Codex campaign, or any similar mythic-caverns-underworld-crazy place with rivers and weird stuff.

So, this is the end result: a map showing canyons in blue, big caves are thick black, narrow caves are fine black. The marks are explained later2014-06-08 17.05.56How did I get there?

Repeatedly tossing 5 dice on the map and tracing a line through them. Starting with the first river:
2014-06-08 16.05.24

 

 

Then the second river, flowing into the first. That die went exactly on the other river randomly, when rivers intersect I recommend making them flow into each other, despite theoretically being able to flow over each other, being underground and stuff.2014-06-08 16.06.01And then repeatedly for the caves. First cave, that leads off map because one of the dice went off map:

2014-06-08 16.08.29

Then second cave and third cave.

2014-06-08 16.09.19

2014-06-08 16.10.17
And so on. Then I thickened the first caves (they be biiig caves), added more caves, thickened the rivers.

Then I added marks to show distances: but since in this setting you usually walk everywhere, they are marked in time instead of distance. And since I wanted finer granularity in some places, I used marks of different colours: the distance between two black marks is 1 hour, between a green and a black or two greens is 20 minutes. This different granularity is not in the book but it’s a very tiny yet useful hack.

The next step is to populate the caves with the Chthonic Contents section of CHTHONOTRON. I’ll leave that up for later, in another post.

 

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5 thoughts on “CHTHONOTRON – a pictorial example

  1. Sweet. I like how these procedural tools help a DM make content but also have patterns and, so seem similar to actual systems. thanks for sharing.

    • hey, thanks :)
      I’m a big fan of generators and procedural tools in general, they are a really helpful crutch. Terrain generation is probably my favourite kind!

  2. Pingback: Mysteries & Mystagogues: not your usual DM’s guide | Lost Pages
  3. Pingback: Chthonic Cartography and a Host of Handouts | Lost Pages
  4. Pingback: Pointcrawls and Random Exploration: words plus a game mechanic supporting Solo gaming | Lost Pages

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