Originally posted by Darth Subjekt
He's talking about when Mace said, "I think its time we tell the Senate our ability to use the force has diminished." So if someone id powerful enough to make people like Yoda and Mace question their own abilities, that person has an incredible control and mastery over the force, that could be translated into combat scenarios.
Did we ever learn that Sidious specifically was doing that through some technique that he knew, or what?