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Click image to download this free TTRPG battlemap of Ruins of the Sentient Slime, then keep scrolling for the detailed adventure prompt written for it.
A recluse scholar has sent you to take a sample of a mysterious, green substance beneath the ruins of an ancient city. You must collect it from the original source—a crescent basin, to which he has given you the coordinates based off old blueprints he has.
According to the scholar, the substance will enable him to create wonderful devices that will grow and harvest food, saving hundreds of thousands of lives. When you go to take the sample however, tendrils of the goop reach out towards you, dripping into quivering blobs…
What’s happening? A vanished civilization once sentenced criminals to death by dissolving them into a magical substance that flowed through infrastructure beneath their city. Itused the energy of their souls to power wondrous technologies, making their city a bountiful marvel of the ancient world.
However, as crime dropped due to the horrific consequences, the city’s rules became stricter and stricter, twisting around its inhabitants like a serpent. Eventually people were sentenced for smallthings like forgetting to bow to officials, or missing religious ceremonies.
Sick of living in fear, a mage rose up against the city whose technologies—designed to make lives easier—had begun to cannibalize its people. She spoke out against what was happening, butfor it, her and her followers were sentenced to death.
Despite the agony of her fate, in her last moments she managed to merge her consciousness with the slime—bringing it to life, and destroying the machinery it powered. She couldn’t hold onto herself for long, however, for the magic she had wrought had partially recovered the minds of others lost to the substance.
Thus, the mage’s consciousness faded, and the slime took on a horrible sentience of its own.
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LUKE: The founder of Seafoot Games, Luke's been making maps and RPG games since he was a child, and spent over a decade creating his own game systems from scratch to play with his brothers. That was before he discovered other TTRPGs existed. Now, he paints the realistic grimdark fantasy battlemaps we're known for, helps write adventures as needed, and spends his free time printing and painting 3D minis, as well as working on his forever in-development TTRPG system.
BEB: Luke's wife, Beb's been writing, painting, and graphically designing things her whole life. She published her first book when she was 20, alongside a handful of sci-fi short stories, and was responsible for writing almost all of our adventures until mid 2022 when Steve joined the team. Now she mostly creates the outlines for the adventurer's guides with Luke, graphically designs documents, handles the bookkeeping (or as she likes to call it, bureaucrat wrangling), and manages the website—but she is slowly delegating these responsibilities, so she can focus on raising her and Luke's beautiful son.