Zethra lives alone and has never had any other Xeranid or human contact. Because of this, it can be very difficult to gain her trust.
The entire Xeranid race is nearly extinct in the Milky Way. Xeranid queens produce a royal jelly that is the space age equivalent of caviar. Because of this, almost all of them have been captured and contained in facilities to harvest the substance.
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Poor gal D: