A cursed and terrible relic
A cul-de-sac in arcanotechnology, the Singularity Plant is a power station that is more dangerous than it is valuable.
With but a name, these places fill common folk with apprehension and dread
Even the most despicable and evil Tyrant will be convinced they pale in comparison to this monstrosity.
“Swiftly, repent! The Saintmaker is coming!”
An otherwise simple spear, the dread blade of Hatred brings rot and decay to all it strikes, be it armour, body, or soul.
A glowing green stone flowing with the elemental power of evil
A standard book of evil.
A handsome bed set, obviously expensive and likely both old, and imported.
A little way up the narrow valley, before they reach the woods, the PCs notice the squat, tumbledown buildings by the riverside. They are hardly big enough for a human to stand in, and the complex cogs and shafts that occupy the central cavity of one of the buildings are perplexing. What were these buildings? And how safe are they to explore?
Alternatively a desolate place is the perfect setting for a derelict chapel or croft. There needn't be any actual physical encounter involved, but it adds atmosphere to a place to see its dead history. For instance, in the Outer Hebrides there are whole deserted villages which were razed to the ground by the English during the Clearances. Such stories give a setting authenticity and character.