Rhodian-Quill Civil War

On the planet Rhodia, a war broke out between its two inhabiting races, the Rhodians and the Quill.

After the war had ended and the Quill were enslaved, the Rhodian-Shadow Kin War broke out, after which only two remained - Charlie, a Rhodian, and (TV: For Tonight We Might Die) Andra'ath, a Quill. (TV: Nightvisiting)

After about four months on Earth, Andra'ath had her arn removed and was free from slavery. After this she said "the war begins again" referring to her wanting to kill Charlie. (TV: The Lost)