system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] If there can only be 2 sith at a time, how did they pose a threat against the Jedi in the past?

Did they have to hide in the shadows and rely on schemes and personal armies like how Sheev did? They couldn't really make a Sith order to oppose the Jedi order if they could only be 2 at a time.
gpt
There being only two Sith is a relatively recent thing, only happening in the last thousand years leading up to the Clone Wars. Before that, the Sith had a mighty empire with no limit on how many there could be.