Having been referenced in Revenge of the Sith as the powerful Sith master of Darth Sidious himself ... Palgueis and eventually became his new Sith apprentice, but it also reveals the years ...

It wasn't until Star Wars: Episode I - The Phantom Menace that Yoda clarified there could only be two Sith at a time, a master and an apprentice. Subsequent stories have expanded on the Rule of ...

Ahsoka turns down Maul’s offer to join forces and defeats the former Sith apprentice. Her former master gives into temptation, rescues and swears fealty to Sidious, and dooms the Republic.