Darth Kallous was another male Sith Lord of the resurgent Sith Empire who resided on Corellia during the Second Great Galactic War. During the battle of Corellia, he served as an agent of Darth Thanaton when the Dark Lord ascended to the Dark Council.
<p class="MsoNormal">He only appeared in Star Wars: The Old Republic
Revan and Malak's Sith Empire
Other Sith and Dark Jedi