Asajj Ventress was a female Rattataki Dark Jedi and arguably the most dangerous of Count Dooku's Dark Acolytes. However, Ventress was initially trained as a Jedi Padawan, while being an orphan on her homeworld of Rattatak, under the tutelage of Jedi Knight Ky Narec. However, after Narec was slain, Ventress gave in to her anger and began walking the path of the dark side; taking up the lightsaber of her dead master, she trained herself in the Jar'Kai style of lightsaber combat, before slaying all the warlords on Rattatak and installing herself as its ruler.