Greyscale Brick

Greyscale Brick is a Hardmode brick that can only be obtained as a drop from the Prison Slime in the Hollow. They cycle through many different shades of grey. When a waterfall passes over a Greyscale Brick, said waterfall will also cycle through greys.

Stats

 * Can be mined with any Pickaxe
 * "The new and improved Greyscale Brick, with more than 50 shades of grey!"

Used In

 * Greyscale Brick Wall
 * Greyscale Torch
 * Greyscale Furnace