Light Elves:
We tend to see more of these interact with humans. They often include the mortals in their biannual celebrations, allowing the humans to retain only certain aspects of their evenings antics.

Weaknesses: Iron. Should you ever need to confront a light elf, iron weapons cause the most damage.

Fire Sprites:
Another species that interacts a lot with humans. The ones this agency has interacted with are powerful hunters, loyal, and discrete. Be certain before approaching them that they intend harm.

Weaknesses: Iron. Should you ever need to confront a fire sprite, iron weapons cause the most damage.

Pixies:
Delicate little creatures, that are tougher than they look. Often thought of as pests, they really are a terrific race, once you get to know them. They will interact with humans of their own choosing. Allowing the humans to know and remember their existence.

Pixies can change size. They will do so when they wish to participate in sex, or other activities with other species, where size is a factor.

Even when their in their natural form, they are fierce hunters. Be forewarned, they have all kinds of uses for their "dust" that you may not appreciate.

Weaknesses: Iron. It is rare for a pixie to become a problem with other species. If they do, be sure you know why, before you decide to eliminate them. They are usually justified in their actions.