After Darth Vader threw Emperor Palpatine down the shaft and killed him, the Emperor's spirit went to Genosa. There, it entered a clone of Palpatine. After 20 years, the clone ran for office again this time as the representative of the planet Tamus. The clone was appointed to the Armed Services panel and approved new vehicles and ships. Leia Organa sensed a disturbance in the Force when she felt the presence of the Palpatine clone. She told Luke Skywalker her concerns. Luke knew that the Force was not right. So Luke went to the Jedi Temple's spirit chamber and called for the spirits of Ben Kenobi, Yoda, and Anakin Skywalker. They appeared and indeed warned Luke of the Imperial military build up. Anakin told Luke to go to the planet Jado. There he would meet a Jedi Knight named Haldo. Haldo