According to German folklore, child sacrifices were common at the start of major construction projects. These infants were walled into the foundations of the building, which supposedly protected the building from harm.
Many water spirits seek to kill humans. And worse, some are even able to compel their victims to approach their waters so that they offer themselves up to the slaughter!
Slowly working my way through Ghosts, Monsters and Demons of India by @blaft It's an amazing read. Today's favorite is the demon that kills people by spinning around and smacking them with one very long boob.
Seeing as the image of a princess riding on a white bear suits the folktales but not the legends, I made an ornament that better suits Norwegian legends: a wild reindeer ride.
(Ibsen has Peer Gynt boasting of the feat, bit the folklore puts someone else in the high seat.)