Odd little devices, almost ubiquitous in any city which relies on thaumatechnology.

The simplest way to tell if someone is a Thaumatech Engineer is often to ask to see his kit bag...

Prized for the metallic sheen of the foliage, this peculiar plant dwells on the banks of mountain rivers, relying on heavy metals and photoelectric power to spread itself

Squares of colorful cloth, often enchanted with minor magics to better serve the owner - but, first and foremost, it is merely a kerchief.

But, O Fellow Denizens of the Citadel, I ask this - what other kinds of unique elements can you come up with?

A well-meaning mage has banished darkness from the area, not realizing the downsides of this event.