Humans are the most versatile and populous race in all of Theran.  An alliance between Humans and High Elves in northern Centra was the foundation of the current Thallian empire.  Humans are respected as good workers and valuable assets to Imperial administration.  Though a few notable Humans hold high positions in the Empire, most are mid level authorities, such as provincial governors.  Humans are the race least interested in tradition, and appear fickle and indecisive to other races.
There is a legend among High Elves that they were the first race to become truly sentient thousands of years before the others.  Because of this belief, they harbor a parternalistic attitude towards other races.  The high elves are the indisputible rulers of the Thallian empire.  They feel a sense of duty to protect "lesser" races.  High Elves are extremely agile and have a natural affininity towards magical arts.  They thrive on symbolism and mysticism in their writings and stories.  Avout 20 years ago, Elven elementalist figured out how to infuse wood with elemental air, and had shipbuilder use the enchanted wood to construct a vessel.  Airships are now the main method of transportation and communication through out the empire.
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