Skerples, of the blog 'Coins and Scrolls' has created a whole range of Veins-additions and Veins-adjacent material.
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Click on the title below to go to his blog.
Skerpels created a 'Dungeon Moshi'-style literal Monster Menu of what happens when you eat any particular creature in Veins of the Earth. Click below for the PDF.
Over on the Reddit r/RPG subreddit, a unique individual called 'wrest 8' has created a gigantic underground 216 hex map which jams together Veins of the Earth and monsters from Fire on the Velvet Horizon, along with specific encounter charts.
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The reddit link for that post is; https://www.reddit.com/r/rpg/comments/7tu3n8/i_made_this_216hex_underworld_map_for_veins_of/
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Click on the image below to go straight to those files;
Here is an example of play including the
AnglerLich from the Ramen Empire blog
This person actually painted the caves.
They are beautiful.
Click below to go to their blog and check out more.