In Legends, Darth Plagueis was actually born as Hego Damask II between 147–120 BBY, which falls right into the timeline of The Acolyte. Plagueis became a Sith apprentice at the young age of five ...
Star Wars: Darth Plagueis was decanonized as part of Lucasfilm ... had up his sleeve and takes on his own apprentice in a ...
Who is Darth Plagueis? Well, as a refresher, let’s hear it straight from Palpatine himself in the prequels, as he explains it to Anakin: "Did you ever hear the tragedy of Darth Plagueis The Wise?