For years, Star Wars: The Old Republic has been at its best when it remembers that Sith lore should feel dangerous, ancient, and slightly like something nobody sane should have opened. Enter Darth Nul. Not just another red-lightsaber problem. Not just another name carved into some old ruin because the Sith apparently never met a wall they did not want to monologue on. Darth Nul has become one of SWTOR’s most interesting mysteries because she sits at the center of several things the game does unusually well: forgotten Sith history, dangerous relics, personal obsession, and the uncomfortable idea that some secrets should probably stay dead. Darth Nul Is More Than a Holocron The recent Legacy Reborn storyline puts Darth Nul’s holocron right at the heart of the chaos. Darth Jadus has stolen it. Heta Kol and the Hidden Chain have reconstructed Darth Nul’s ultimate machine on Khar Shian. Darth Malgus…