Something shifts at the accusation. The figure of Plagueis grows still for a moment, before the shadows begin to recede. The Dark Side shrouds visions of outsiders, but Darth Vader is no outsider. The moon high above draws into sharper focus so Vader can see that it is indeed no moon...it's a battle station. The culmination of his Master's ambition, the ultimate expression of his fury. His and Vader's future both.

"Your Master is a link in a chain that stretches back over a thousand years." Plagueis speaks again. "Each one forged and tempered by the one before it. Vader from Sidious, and Sidious from Plagueis. And my Apprentice has been forging you for a very long time, child."