The meaning of Dracula in dream | Dream interpretation
See Vampire and Addiction.
To dream about Dracula - especially if you fight him in the dream - suggests that you are feeling physically or emotionally drained.
The dream Dracula may also be symbolic of someone who is addicted to drugs or someone in an obsessive relationship.
To dream that you are Dracula suggests that you are using up the energy of others for your own selfish benefit.