Cho
From Tardis Wiki, the free Doctor Who reference
Cho was an important quality of the world judged by Ulk-Ra thinkers. Things with bad or malicious Cho included places like a forest full of "death-smell" and even events like easy passage through a dangerous area. During his initiation ceremony, Coloth thought to himself that Cho was the scent of blood and the hiss of a predator in its den. (PROSE: War Crimes)