Black Primer

Black Encyclopedia|黒き事典|Kuroki Jiten}} is one of Zexion's weapons in Kingdom Hearts 358/2 Days. It is Zexion's basic weapon, and therefore requires no Gears to be attached to him in order to wield it. In appearance, the Black Encyclopedia is black and gray, symbolizing that it is the most basic of all of Zexion's weapons through the use of achromatic colors.