D'Vorah is of a race called the Kytinn, a species which populates the island realm of Arnyek and whose people are essentially humanoid hive bodies formed by insect colonies.
The solitary nature of the Kytinn meant a common defense of their realm was impossible; thus it was conquered and merged with Outworld by Shao Kahn.
D'Vorah's loyalty and insightfulness - unusual traits for a Kytinn - led to her quick political rise.