You can make BLACK BLOCK by combining BRICKS and CAVE BACKGROUND. This item belongs to color blocks category. Growing BLACK BLOCK takes 0d00h03m04s. Unfortunaltely durability information is not available. Unfortunaltely seedratio information is not available. Oops, there is no entry in the database about gemratio. If you know something, please share. Oops, there is no entry in the database about blockratio. If you know something, please share.