Zavrasha was a female Pureblood Sith

Sith Sentient Species

Lord of the reconstituted Sith Empire and Darth Mortis' apprentice. Shortly before the end of the Cold War she arrived to Nar Shaddaa

Nar Shaddaa Planet

to check the Republic's technological advances. There she tasked

Shattering the Peace Event Cold War (3653BBY - 3642BBY)

a team of the Imperial Operatives

Imperial Operatives Organization Temporary Unions

to destroy these advances, but asked to strike swiftly and anonymously to not jeopardize the Treaty.