8/20 Sever Force
Many consider this the most powerful maneuver a Jedi can perform. There have been numerous instances of this technique being used, most famously by Vergere against Jacen Solo during the Yuuzhan Vong War, and then by Jacen himself on his younger cousin, Ben Skywalker.
But one Jedi stands above the rest and needs to start getting recognized as the greatest Jedi who ever lived. That is none other than Obi-Wan Kenobi. While this saga is ultimately the story of the Skywalkers, Obi-Wan is arguably the best and most pure Jedi to ever come out of it.
In the Star Wars Legends continuity, the founders of the Jedi Order were Jedi Masters Cala Brin, Garon Jard, Rajivari, and Ters Sendon.
During the High Republic, the 12 seats on the Council consist of three Grand Masters, including Yoda, Lahru, and Pra-tre Veter.
Legend had it that Yoda—a Jedi who became Grand Master—was trained by N'Kata Del Gormo. A Force-sensitive Hysalrian, N'Kata Del Gormo was trained in the ways of the Force and achieved the rank of Master within the Jedi Order.
Yoda was a legendary Jedi Master and stronger than most in his connection with the Force. Small in size but wise and powerful, he trained Jedi for over 800 years, playing integral roles in the Clone Wars, the instruction of Luke Skywalker, and unlocking the path to immortality.
Vernestra was enough of a prodigy that she eventually attained the rank of Jedi Knight at the age of only fifteen, making her the youngest Knight in a generation.
Arguably, some of the rarest types of Jedi were the so-called Iron Knights. These are members of the Shards species - crystals with a brain of their own. They were Force-sensitive and all trained under the tutelage of Jedi Master Aqinos. The Shards had droid bodies, similar to that of General Grievous.
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. Pall eventually died after serving the Empire for many decades, but his Empire lived on.
Master Tactician: Even before his fall to the dark side, Vader was amazingly intelligent and wise. Darth Vader was a brilliant strategist and was still, despite his lessened Force potential, one of the greatest pilots in the galaxy.
Yoda. Master Yoda, the wisest and perhaps most powerful Jedi of them all, remains species indeterminate and looks like something the cat might drag in, but his lustre as the lovable font of all Jedi wisdom is undimmable. He's lived 900 years.
Mace Windu: 155. Tarkin: 150 - 155. Qui-Gon Jinn: 150 - 155.
Mission to Mathas. Padawan Windu was trained in the ways of the Force by Jedi Master Cyslin Myr.
During the Clone Wars, Sing taught young Boba Fett the bounty-hunting trade, and helped the boy seek vengeance for the death of his father, Jango, at Mace Windu's hands.
Supreme Chancellor Palpatine, a mentor to the young Jedi, claimed that the dark side was a pathway to this ability: he could stop people from dying with Sith power. At the same time, the Chancellor revealed that he himself was a Sith Lord, Darth Sidious, and would train Anakin.
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.
7/10 Nomi Sunrider
It was not until after the Great Sith War that Nomi Sunrider became the Grand Master of the Jedi Order. It was under her leadership that the Order and its knowledge were preserved and passed down to future generations.
Mace Windu was a male Korun Human Jedi Master of legendary status who was the Master of the Order in the days leading up to the Battle of Geonosis, after which he gave the title to Grand Master Yoda.
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.