Handsy

Ashley Williams could take apart and reassemble the Normandy's armory in about an hour for weapons maintenance.

She could also make the entire cock wielding non-combat crew of the Normandy ejaculate in about 30 minutes with her hands alone. To say she had deft hands would be an understatement, she didn't need to fuck anyone to make them cum. That's what it meant to be Better than the Best, as a Williams should be.