Originally Posted by Jvstice
there are sith force ghosts as well as Jedi ones. You have the option to kill one in K1 (Ajunta Pall who you can kill or convert depending on your abilities and preferences) as well as a sort of force ghosts K2 (in the korriban tomb you kill the jedi force ghosts, as well as malak, your other party members other than kreia, and one of revan).
Just to make sure I'm remembering correctly - Ajunta pall was a true force ghost on Korriban, right? I thought the Malak/Revan/Bastila/Party Members in K2 you encountered on Korriban were visions of the Exile, not force ghosts.