User blog comment:Jedi General Term/Reaction to Star Wars Rebels Season 1 Finale/@comment-4935956-20150303213809/@comment-26430693-20150305013230

I believed Fulcrum was either Barriss Offee (she has the reason to do it. Maybe she feels as though the rise of the Empire is her fault, or that she could have helped the Jedi when they were purged. It would make sense for this to be the way of making her amends), Asajj Ventress, or Ahsoka Tano.