Star Wars prequel trilogy save Chancellor Palpatine from Count Dooku and the droid commander General Grievous. Anakin begins to have prophetic visions of his secret wife Padmé dying in childbirth. Palpatine, who had been secretly engineering the Clone Wars to destroy the Jedi Order, convinces Anakin that the dark side of the Force holds the power to save Padmé's life. Desperate, Anakin submits to Palpatine and is renamed Darth Vader. Palpatine orders the clone army to fire on their Jedi generals, and declares the former Republic an Empire. Vader participates in the extermination of the Jedi, culminating in a lightsaber duel with Obi-Wan on
Star Wars: Episode III – Revenge of the Sith state to fight a Sith Lord. These are a few examples of many descriptions of characters' feelings and inner narrative. There are even some humorous lines added in, including extra dialogue in the battle between Grievous and Obi Wan - Grievous says, "I was trained by Count Dooku," and Obi-Wan replies, "What a coincidence; I trained the man who killed him." An official prequel novel, "Labyrinth of Evil" () by James Luceno, was published in 2005. It is set near the end of the Clone Wars and directly before the events of "Star Wars: Episode III Revenge of the Sith".