− | They disguise themselves as stones, sometimes surprising the player. When immobile they are invulnerable to attack. | + | They disguise themselves as stones, sometimes surprising the player. When immobile they are invulnerable to attack, though you can hit them with your [[Tools#Pickaxes|pickaxe]] to make them mobile again. If you use a [[bomb]] near them, their shell may be blown off, and they will run away from you. |