Darth Vader reborn as Vader. Meanwhile, Obi-Wan hid Luke on Tatooine while the Galactic Republic became the tyrannical Galactic Empire and Vader systematically hunted down and killed the Jedi. This change in character would provide a springboard to the "tragedy of Darth Vader" storyline that underlies the prequel trilogy. After deciding to create the prequel trilogy, Lucas indicated the series would be a tragic one depicting Anakin's fall to the dark side. He also saw that the prequels could form the beginning of one long story that started with Anakin's childhood and ended with his death. This was the final step towards
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".