Dracula

The Dracula is the only boss that has to be summoned at the Dungeon, It's health is 3000, It inflicts Vursed (it is a item stealing monster), It is immune to Chilled, Cursed, On Fire! debuffs, The way you summon it is if the message saying "The item-stealing Dracula is in the dungeon below..." then you go to the end of the dungeon, it will summon. It's drops are:  Vampire Blades (100%), It's weakness is the Vampire Killer Whip dropped by the Sun of Cthulhu.