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.
The decree commanded that only two Sith Lords must exist at any given time: a master to represent the power of the dark side of the Force, and an apprentice to crave it and train under the master and to one day fulfill their role.
The rule of 3 is the most important decision made by Darth Fromni since she declared it as Empress, the rule states by the Empress of the entire empire there should be only 3 Sith members in a group while severing the Empress as the rule implies to those within the dark council if they wishes it to do so.
Sidious broke the Rule of Two at least twice: once by training Darth Maul while still under the tutelage of Darth Plagueis; and secondly, by taking on two apprentices at once, and in the form of two Jedi: Count Dooku, the former Padawan of the legendary Jedi Master Yoda, dubbed Darth Tyranus, and the Fosh Jedi Vergere.
While many Sith Lords in Star Wars are mentioned, only six are detailed in canon: Bane, Plagueis, Sidious, Maul, Tyranus, and Vader. In addition to these Sith Lords, there are a number of other fallen Jedi, apprentices, and dark Force users.
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.
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.
Kylo is redeemed like Vader before him and kills the Knights of Ren, before giving his own life to help Rey defeat Sidious. Without its leadership, the First Order eventually collapses, marking the definitive end of the Sith.
Despite the fact they've done terrible things, many Sith from the Star Wars Universe can't be classified as completely or inherently evil.
killed by an Imperial strike team, his dark side, like many Seth before him, refused to let go of life.
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.
Emperor Vitiate was a Sith Lord who successfully gained near immortality by draining the life force of an entire planet, later attempting to drain all life in the galaxy, which would give him true immortality.
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.
With Bane's defeat at the hands of his apprentice, Darth Zannah, allegedly on the Inner Rim planet of Ambria, the Jedi wrongly believed that the Sith were defeated with him, as the galaxy entered a millennium-long era of peace.
Within the Star Wars Legends continuity, Yoda's Jedi instructor was N'Kata Del Gormo, a Hysalrian Jedi Master, according to an in-universe legend.
The deaths of Sidious and Vader marked the end of the lineage of Dark Lords going back to Darth Bane, and the beginning of the New Republic Era.
History. A dark side warrior with a mysterious past, Kylo Ren was neither Jedi nor Sith, but a product of both sides' teachings. Once an apprentice of Luke Skywalker's, he killed his fellow students and drove Skywalker into exile, becoming a First Order warlord and servant of Supreme Leader Snoke.
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 term "Sith Lord" generally encompassed members of both sexes, although some female Sith such as Lumiya, Tahiri Veila, Olaris Rhea, and Vestara Khai were styled Sith Lady. Originally, "Sith Lord" referred to a high-ranking member of the Sith Order's society.
Snoke Is Not a Sith Lord
You may have noticed that Snoke does not have the “Darth” title like the Dark Lords of the Sith do.
Sidious, born Sheev Palpatine, was trained in the dark side of the Force by Darth Plagueis.
The Prime Jedi was an individual who became the first Jedi to ever use the Force. The Prime Jedi was also the founder of the Jedi Order. The Prime Jedi established the Order on the planet Ahch-To, around 25,025 BBY.
With the death of T'ra Saa at Taivas, K'Kruhk became the oldest and most experienced of the surviving Jedi and participated in the alliance's final assault on the Sith-held Coruscant. Following the deaths of Darth Krayt and Roan Fel, K'Kruhk became one of the three Triumvirs of the restored Galactic Alliance.