We all know that the "Rule of Two" was oft violated and in an audiobook I'm listening to it seems that

  1. Even Darth Plagueis' master didn't obey this
  2. It says "precious few" Sith Lords did

I am wondering if someone who has read more of the books may be able to actually count how many Sith Lords did abide by it?

Presumably Darth Bane was the first to do so and Darth Sidious did, so that's 2, but how many more? To keep things simple let's count the number of masters who followed the rule (not the apprentices).

If an exact count isn't possible, maybe we can at least narrow it down to a range based on the chronology.

  • I added the Legends tag since you are looking for Legends, too. Is the audiobook you're listening to Darth Plagueis?
    – Null
    Jul 17, 2016 at 2:32
  • @Hack-R "Legends" refers to all previous Expanded Universe comics/books/games before the Disney acquisition. Disney wiped away the existing EU and rebooted the universe fresh, so "Legends" is no longer official canon. "Canon" now refers to Disney canon only - the original Lucas films, the new Disney films, the Clone Wars and Rebels TV shows, and new licensed comics/books/games moving forward. Jul 17, 2016 at 2:33
  • @Null Yes, it is. I was trying to remember the exact name (my phone is dead). Thanks!
    – Hack-R
    Jul 17, 2016 at 2:39
  • @Hack-R: see Star Wars canon. Jul 17, 2016 at 2:50
  • 1
    @Hack-R The only possible reason I know of is that we have a history of fairly silly Rule of Two questions to which the answers boil down to "originally it was just a throwaway line in the prequels, not a formal rule, so stop overthinking it". But this particular question is perfectly reasonable and obviously answerable, especially since we're explicitly including Legends where it did become a formal rule, so +1 from me.
    – Ixrec
    Jul 17, 2016 at 14:03

1 Answer 1


Bane's Order spans about a thousand years and most of the Sith Masters are unknown. We can only consider the few known Sith Masters, so we will underestimate the number of Sith Masters who obeyed the Rule of Two as well as the number who disobeyed it. This means the claim that "precious few" Sith Lords obeyed it can still be true if most of the unknown Sith Lords disobeyed it.


From Wookieepedia's list of Sith Lords, the following Sith Masters are known in canon:

Of the known Sith Lords, at least three of them followed the Rule of Two.


From Wookieepedia's list of Sith Lords from the Order of the Sith Lords (Bane's order), the following Sith Masters are known:

Note: I don't consider Sith Lords before Bane or after Sidious because those Sith Lords do not belong to Bane's order and thus would not follow the Rule of Two anyway.

I count at least eight Sith Masters who obeyed the Rule of Two, possibly a few more.

  • Technically, Bane broke his own Rule of Two when he consecrated The Huntress on Ambrosia as his new apprentice, Darth Cognus. But it only lasted a few mins when Darth Zannah arrived shortly after and defeated Bane. Cognus then became Zannah's Apprentice.
    – iMerchant
    Jan 26, 2017 at 8:19
  • @iMerchant The Master is allowed to reject his current apprentice and replace him or her with a new one, so taking Cognus as his new and lone apprentice as Bane did was not a violation of the Rule.
    – Null
    Jan 26, 2017 at 15:14

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