Ixia is another plane of existence from ours, connected through a series of gates to Earth. South Ixia is the 52nd state of the United States, after Puerto Rico [1]

Ixians have a supernatural control of fire, manifested in Infernus and in Grey Talon's step-daughter.

References

  1. "Next week will mark the 5-year anniversary of South Ixia officially joining the United States as its 52nd state. - Newscaster line from the Game Files