Revan is a human male who was initially a Jedi Knight, but fell to the dark side and became a fearsome Sith Lord before losing his memories and becoming a Jedi once more (and remaining a Jedi even after discovering his Sith past).
In Legends, Revan was a Jedi Knight who broke away from the Jedi Order, became a Dark Lord of the Sith, and formed a Sith Empire that waged war against the Order and the Galactic Republic.
However, Revan was betrayed by Malak and was captured by the Jedi Knight Bastila Shan, who saved Revan and formed a Force bond with her captive. With his mind wiped, Revan was given a new identity as a Republic soldier by the Jedi Council and stationed aboard the Republic warship Endar Spire.
killed by an Imperial strike team, his dark side, like many Seth before him, refused to let go of life.
Revan Skywalker was a Jedi Knight and twin brother of Cade Skywalker. His father was Kol Skywalker and his mother was Morrigan Corde. He was apprenticed to Jedi Master K'Kruhk. To distinguish himself from his older brother Cade, Revan would dye his hair black.
Reva knows that Anakin Skywalker is Darth Vader because she was one of his targets—a child—during the Order 66 killings that took place during the events of Star Wars Episode III: Revenge of the Sith.
Even at an early age, Revan's insatiable hunger for knowledge and mastery over the Jedi arts drove him to be the Order's most powerful champion against the Mandalorian threat.
Darth Malak betrays Darth Revan and becomes Dark Lord of the Sith. Force bond forged between Revan and Bastila Shan.
Vader is raw power and skill personified because he is physically stronger, has better lightsaber skills, and is stronger in the Force. But of course, Revan isn't much weaker than Vader in those areas and has the advantage in terms of his leadership skills and experience.
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.
Reva Sevander was a human female Force-sensitive who served as a member of the Inquisitorius under the title of Third Sister during the early reign of the Galactic Empire and briefly held the position of Grand Inquisitor.
Master Yoda has risen above all others to claim the top spot as the most powerful Jedi of all time and the true chosen one according to IGN's audience. He won pretty handily as well, as he was victorious in 89,756 of his 95,243 battles and had a win percentage of 94.2%.
Well the irony was that his teacher also became a fellow Sith. That person was Darth Traya, or as she was once known, Kreia. Kreia's story begins with Revan's, teaching him in the ways of the Jedi. Long had she forsaken her eyesight and taught her students more in mental skills.
Revan has incredible will, which was what allowed him to endure centuries of torture from Vitiate, though he was not unscarred. His mind started to become twisted between the light and dark sides and after his light side left him, Revan was completely fueled by anger and hate.
Still, Darth Revan mastered all seven lightsaber fighting forms as well as both the Light and Dark sides of the Force throughout his career. A leading Jedi Knight in the Mandalorian Wars turned Sith Lord who later turned neutral, Revan survived for hundreds of years, through torture and other hardship.
By force - SWTOR's Reason - Revan and Malak were overconfident and faced the Emperor alone. They were turned to the Dark Side by Force to claim the Star Forge for Vitiate. Later, they betrayed Vitiate and used it for themselves. They would conquer the Republic to gain forces and then face Vitiate's empire.
Darth Nihilus is an iconic Sith Lord that many Star Wars fans adore. He is most known for the Sith Lord with one of the best “looks” since he wears a skeletal mask with a dark shroud.
As the first Dark Lord of the Sith, Ajunta Pall founded the first Sith Empire and expanded it onto other worlds. The Sith took over the planet Ziost and created it as their capital and as Pall's new home.
Adas was king of Korriban and the Sith in a reign that lasted nearly three hundred years. He was large for his species, his skin was unusually charcoal-colored, and he was raised as a chosen being from his youth.
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.
Yoda found himself overpowered in battle against Darth Sidious, who would become Emperor Palpatine, but his wise retreat gave him time to mentor a new hope before ultimately succumbing to old age and passing into the Living Force on the planet Dagobah.
In the areas of a tactical skill, light saber ability, and force power, Revan is vastly more skilled than Kylo Ren. He wins easily. He can take Revan down with his force abilities without relying on his lightsaber, but with his lightsaber, he could take down Kylo Ren in one minute tops.