Originally posted by Emperordmb
The quote's talking about him deflecting assaults, not leading an offensive against the republic. And he could be deflecting the assault leading in the front lines, I sincerely doubt the accolade is comparing his lightsaber or force defenses to a planetary shield however.
One of the longest-serving members of the Dark Council, Darth Marr is a terrifying warrior and a true believer in the Sith Code. In the early days of the war, he seized world after world for the expanding Empire and gained a reputation for personally leading charges against Republic defenders.
-Codex Entry: Darth Marr