In the Star Wars universe, Darth Bane is a powerful Sith Lord who lived one thousand years before the events of the films and is known for being the originator of the Sith's "Rule of Two", which states: "One master and one apprentice can be the only Sith in the galaxy at a time".
Now, Darth Vitiate lived for around 1,500 years, which is by far the longest lifespan of any Sith Lord on this list. With a major appearance in Star Wars: The Old Republic, Darth Vitiate presented himself as one of the big bads in the Star Wars universe.
According to Star Wars Legends content, the first Sith was a former Jedi Master, Ajunta Pall, who became a so-called Dark Jedi, or “Fallen” Jedi. As the name implies, these Force-sensitives chose to practice the Dark Side, and rejected the Light Side of the Force.
The Sith stayed in hiding for a thousand years, their survival unknown to the Jedi, as they continued their revenge against the Jedi through Bane's Grand Plan. With Sith teachings passed down by Bane's Rule of Two, the Order managed to survive.
DARTH SION : THE IMMORTAL SITH LORD WHO MASTERED PAIN AND DEATH Star Wars Theory. DARK SIDE FRIDAY - Darth Sion is definitely one of the most powerful Sith Lords. Sion's deep pain and rage channeled the Dark Side allowing him to cheat death.
As a Sith Marauder in the Great Sith War, Sion fought for Exar Kun's Sith Empire until the day he was struck down. Rather than die, though, Sion found that by calling on his pain, anger, and hatred, he could rise from certain death and achieve immortality, at the cost of all-consuming agony.
1 Darth Sidious
There has been no Sith, as powerful, meticulous, nor as evil as the Emperor himself, Darth Sidious. As previously mentioned, Sidious trained in the Dark Side by Darth Plagueis before Sidious killed Plagueis in his sleep, making Sidious a Sith Master.
Even though Kylo Ren uses a red lightsaber, harnesses the dark side of the Force, and wears a cape, he is not a Sith. Because of that, he can never hold the title of Darth. Instead, he was just a chaotic mess of the dark side (until he eventually found his way back to the light).
The average lifespan for a Sith, without any assistance from medical technology, is around 250 years. Taking into account that Force sensitive beings have extended lifespans, most Sith can reach up to 400 years.
Yoda. Yoda was a wise, experienced, and powerful Grand Master of the Jedi of an unknown species and the oldest known prophet in existence (having lived at least 900 years), considered the wisest and most powerful Jedi Master within the Star Wars universe.
Biography. Legend had it that Yoda—a Jedi who became Grand Master—was trained by N'Kata Del Gormo.
Darth Shain, headmaster of the Korriban Temple, took notice and convened with the Dark Councilor and Dark Lord of the Sith Darth Shane McMahon, who decided to confer the title of Sith Lord to the young apprentice at the age of 11, making him the youngest Sith Lord in the history of the Sith.
There are dozens of canon Jedi in the Star Wars universe. Opposing them stand the canonical servants of the Dark Side of the Force: The Sith. While many Sith Lords in Star Wars are mentioned, only six are detailed in canon: Bane, Plagueis, Sidious, Maul, Tyranus, and Vader.
According to Wookieepedia, Emperor Palpatine was born in 84 B.B.Y. and died in 4 A.B.Y., which would make him around 88 years old at the time of his death. This makes him just a regular old man, rather than crazy old like 900-year-old Yoda.
Darth Sidious was able to cheat his upcoming death by transferring his spirit into a clone body while falling into the reactor core of the second Death Star. He later sought to prolong his existence by futilely manipulating his grandchild Rey into killing him so he could live further by possessing her body.
After the Sith were decimated by the Jedi Knights of a thousand years ago, Bane enacted the Sith rule of two: there would be only two active Sith at one time -- a Dark Lord to embody the power, and an apprentice to crave it.
By 44 ABY, the true Sith species in the Empire were believed to have gone extinct due to the interbreeding process. Characteristics shown would be determined depending on how much Dark Jedi or Sith blood an individual possessed due to interbreeding.
In the context of the story, Snoke is a "genetic strandcast" created by Emperor Palpatine to serve as his proxy in power. Snoke, whom Abrams called "a powerful figure on the dark side of the Force", was introduced as the leader of the First Order and master to the sequel trilogy's primary villain, Kylo Ren.
Snoke Is Not a Sith Lord
He was never given one because he isn't technically a Sith Lord. But the fact that he's a bio-engineered being created by Palpatine explains why his training of Kylo Ren followed the Sith mold so closely, since all along Palpatine was trying to manipulate Ren.
A Sith apprentice was a Force-sensitive individual trained by a Sith Master to use the dark side of the Force. The age at which a Sith apprentice began their training varied.
Sidious is also known as The Emperor of the Galactic Empire. He rose to power in the Senate as a Senator from Naboo and lived a double life as a Sith Lord. Sidious is extremely powerful and held very complex knowledge of techniques to master the dark side's force energy.
killed by an Imperial strike team, his dark side, like many Seth before him, refused to let go of life.