Tenebrae most likely

Actual lords of the sith

sidious

Darth Bane, the Sith’ari, who destroyed the Sith and rebuilt them into a far greater form.

Bane of corse

Bane or vitiate

Vitiate

Sidious

My favorite is Vader and maul. The best is palps though

Bane

While I don’t think he is the greatest, my personal favorite is Darth Malgus

Finally we have returned. I will never again have a master over Me