A D&D adventure in the 4th edition.
Races that are thought to be rare, rumored, and in some parts of the country to be urban myth, legends, and those who claim to have seen, talked, or fought these creatures are usually outlasted as liars, crazy or delusional. These creatures include:
Unicorns Arcons Chimeras nymphs vampires werewolves
There are 3 races that many people believe to still exist and have large cities throughout the world. Although they are very secretive and never let their presence be known.
They are doppelgangers, and Rakshasas, and drow.