Ghost

The Ghost occasionally appears when you dig up a grave with the shovel. To dig up a grave, be sure to hover your cursor over the dirt mound and not the tombstone. You will also have to dig several times before the ghost spawns and the grave items drop.

Ghosts are difficult to "kill" due to them lacking any attack animation and hurting you whenever you get close. The easiest way to kill them is let a Pigman do it, as the Ghost won't attack him. Even after the Ghost is killed, it will still float around after you for a short time, hurting you. It will eventually vanish. So far there is no exact damage known, only that they deal damage slowly and not in large quantities. It is also unknown thus far if they drop anything when they are killed or when they vanish.

Ghost will fly around the grave and dissapear after a while. If you leash a ghost far enoght from the tomb he will continue to chase slowly until he gets stuck. (what happens very often) and he wont dissapear despite day time. Ghost will instant agro (and insta kill in case of butterflyes, jackalopes, and birds) anything that comes near them.