 Owing to this, he is unable to fly across a river in the form of a bat or mist or even by himself board a boat or step off a boat onto a dock unless he is physically carried over with assistance.He is also unable to enter a place unless invited to do so by someone of the household, even a visitor; once invited, he can enter and leave the premises at will.Dracula has a bloodlust which he is seemingly unable to control.