He survived Order 66, returned to Tatooine to take up leadership of his father's tribe, gave in to his anger, led the tribe in a series of bloody raids on the local settlers, was defeated by Obi-Wan Kenobi in a duel, left Tatooine to become a bounty hunter, fell to the dark side at some point around this time, went to Korriban to try to learn Sith secrets to use against Vader and Palpatine, came out of seclusion to find that they were both dead and the Empire had fallen, decided to leave for the Unknown Regions, was captured, tortured, and experimented upon by extragalactic invaders called the Yuuzhan Vong and a quite possibly insane ex-Jedi named Vergere who had joined them, fell further to the dark side, decided to found a new army of Sith Lords called the One Sith, started calling himself Darth Krayt, grew a protective chitinous exoskeleton because of biotech implants the Yuuzhan Vong put in his body that were also slowly killing him so he had to put himself in stasis for decades to slow its growth, briefly woke up from stasis to team up with Luke Skywalker, his son Ben, and a completely different resurgent army of Sith to destroy an insane Force god called Abeloth who had transformed herself/itself into a Cthulhu-esque eldritch abomination (and also at one point shapeshifted herself/itself to look like Luke's first (?) girlfriend (?) who was actually the ghost of a Jedi from the Clone Wars), went back to sleep for another hundred years, woke up in the future when the Galactic Empire had been re-founded under a ruling dynasty descended from Han and Leia's daughter and Wedge Antilles's archnemesis's son, helped them destroy the Republic (technically by now the Galactic Alliance) and the Jedi again, betrayed and overthrew them and ruled the galaxy openly as a new Sith Empire under the One Sith, took a scantily-clad Twi'lek woman as his apprentice, found out that Luke Skywalker's death-stick-addicted descendant Cade Skywalker could use the dark side to perform a Force healing technique called Dark Transfer that was so powerful it could bring back the dead (yes, they made the Tragedy of Darth Plagueis the Wise canon) and decided that he could use that to cure the illness his bio-implants had given him, committed a bunch of genocides for basically no reason, tried to cut a deal with a five-thousand-year-old Sith ghost to capture Cade, was immediately betrayed by said ghost and thrown off a cliff, almost recovered but was finished off by his treacherous grand vizier, died, returned (somehow), revealed an army of cybernetic Sith stormtroopers, killed his treacherous vizier, waged a war against the Alliance and the Empire when they joined forces against him, fought against Cade Skywalker, killed him, revealed that he'd learned the power of Dark Transfer and resurrected him so that he could turn him to the dark side, and then was immediately killed in turn when Cade rejected his temptations, before Cade flew his body into a sun so that it could never be resurrected again and escaped at the last minute.