Personal Theory Lumpy himself mentioned this, but didn't get a lot of attention so I thought it deserved an elaboration. And I would love to see that story play out to explain … It would onyl confuse everybody. A major reason why Palpatine managed to kill him when he did was that Plagueis basically allowed it. III. Unfortunately, Plagueis was the best Sith Lord around, and he told all he knew to Sideous. Could Darth Sidious have killed Darth Plagueis in a real fight? When Veruna went into hiding in the Western Reaches of Naboo, he was discovered by Darth Plagueis and Sidious, who enacted a plan to kill him in retribution for the failed assassination attempt. Palpatine was talking to Anakin about Darth Plagueis in Revenge of the Sith: Unfortunately, he taught his apprentice everything he knew. Did Sidious really kill Plagueis in his sleep? The story tells of a powerful Sith Lord who could use the Force to create life and defy death, but was killed in his sleep by his own apprentice. Then his apprentice killed him in his sleep. Darth Plagueis. When did Darth Plagueis die in the Star Wars timeline? First mentioned by Emperor Palpatine in Revenge of the Sith, the legend of Darth Plagueis is used as a key step in the process of turning Anakin Skywalker to the Dark Side. The story tells of a powerful Sith Lord who could use the Force to create life and defy death, but was killed in his sleep by his own apprentice. Background: Sheev Palpatine, son of a Naboo noble, first met Hego Daamask II ( a powerful banker) when he was 17. Because of the Rule of Two, which mandated that only two Siths can exist at a time. Third, she talks to Obi-Wan once he is back on board the ship following the duel with Anakin. And it’s a plot point I absolutely love and was why I was so against the popular idea that Snoke was Plagueis. Mainly cause Darth Plagueis was the most powerful sith to exist in all star wars history. He told Anakin that if he joined the dark side he could save the people he loved from death by extending their midichlorian count, just as Darth Plagueis had done (obviously more subtly than that). First mentioned by Emperor Palpatine in Revenge of the Sith, the legend of Darth Plagueis is used as a key step in the process of turning Anakin Skywalker to the Dark Side. If Sidious had knew of all this power, why waste his time trying to train Anakin. Also, I think it depends somewhat on Plagueis' mindset. Plagueis would seem to be the last Sith Emperor to have taken control until Sidious managed to become Emperor. Ironically he is the one who is killed but still it begs the question, why was Sidious allowed to train Darth Maul? Did Sidious really kill Plagueis in his sleep? Rules: ... A major reason why Palpatine managed to kill him when he did was that Plagueis basically allowed it. Palpatine was talking to Anakin about Darth Plagueis in Revenge of the Sith: Unfortunately, he taught his apprentice everything he knew. Could Darth Sidious have killed Darth Plagueis in a real fight? All of that would have been hogwash if it turned out Plagueis was alive. When Darth Sidious murdered Darth Plagueis in his sleep, the master Sith had already conquered death, and his soul transferred to a new body: that of Jar Jar Binks. Darth Sidious killed him in his sleep. My belief is that Sidious was hoping Anakin to figure this power out on his own and then once Anakin took care of everybody and everything and was in 100% control of the galaxy, then Sidious was to kill him and assume his position. But this never happened because Vader killed Sidious before Vader learned this power. That year he learnt Daamask was the Sith Lord Darth Plageuis, and became his Sith apprentice. The goal of the Sith is to exact revenge against the Jedi for the decimation of the Sith ranks.