D-6

D-6 is a member of the Black Magic cult, Avatar.

Appearance
D-6 is tall and is covered from head to toe in black armor, which features a skull and and two hands printed on the front. Its face is covered by a silver mask with a single red and black eye piece, and it has silver masks on either shoulder that are reminiscent of Demon's faces.

Avatar arc
During an Avatar meeting, D-6 sits at a round table with it's comrades, and listens as Arlock chants to them that the time of Avatar has come. Later, when the members of Avatar meet to discuss the spy within their midst, D-6 along with Briar come to Gray's defense when Jerome asserts that Gray may be the spy, and D-6 listens with the rest of it's comrades when Gray Fullbuster reveals that he is using Avatar to get a hold of the Book of E.N.D..