[One the benefits of having a very small number of Greensworn - probably the only benefit - was that she'd already figured out most of that stuff Geddoe was working on. Unless he was referring to all of the dragonsworn. But he was probably more cautious (and experienced) than Rose was. She tended to be impulsive.]

Vastania of the Red Flight knows the most about the Burning Legion. The Red Flight also seems to have the most dragonsworn that are familiar with Azeroth and the greatest numbers.