We still don<t have an avatar for the dark element. The rumor says that Fenrir would be the dark avatar. As far as I know, nothing official as been released.
Jobs: Lvl75 SMN/WHM, LVL58 DRK/WAR, LVL75 BRD/WHM
SMN AF2 obtained: Hands, Legs, Body, Feet
DRK AF2 obtained: Hands, Feets (LOL)
BRD AF2 obtained: Hands, Feet