Ghost ships

Once in a while, the river carries an scale ship. Some are perfect models of real ships from different worlds, sometimes they are toys, or carless decorative items. Sometimes they are made of paper and loose shape before you can see them properly.
This things are usually harmless. But armored ships might actually attack you if you try to touch them (the only one of those specimens that has been captured turned out to be a playful ghost but it was causing real damage) and there is people who think that they announce the presence of sirens, so you may want to keep your distance.

Clasiffication

While there are different kinds, most ghost ships have an id4 core, usually the result of abandoning dreams to embrace adulthood afte a while of refusing to do so.