Sith could start on Korriban and then somehow find out that  [hider=the plot thickens]NERF HERDERS THATS RIGHT YOU JEDI AND REPUBLIC IM CALLING YOU OUT[/hider] are in the Ryloth system and maybe the Sith slide in their dms? Maybe they do a little tusken tango eh? little kashyyyk karate? some jedi jousting eh eh?