"Scourge the weak link"
nah.
"Even the most powerful members of the Dark Council avoid offending the man bearing the title, “the Emperor’s Wrath.”
―Lord Scourge Codex Entry (Star Wars: The Old Republic)
"He's sending his personal executioner for me. His wrath incarnate. I'll be punished for my crimes."
"Who is the Emperor's Wrath? A Sith Lord?"
"A ghost. Older than anyone except the Emperor himself. Even the Dark Council fears him."
―Sajar and the Hero of Tython (Star Wars: The Old Republic)
"After Lord Scourge shed the mantle of the Wrath under mysterious circumstances, the Emperor's Hand set out to find a replacement. Millions of the galaxy's most powerful Sith were considered, but ultimately only one would prove worthy to serve the Emperor."
―Star Wars: The Old Republic Encyclopedia
"Revan had sensed the Force in him; he had incredible potential."
―Star Wars: The Old Republic: Revan