Insistence, pressure, urge.
The quality or condition of being urgent.
A sudden and compelling need to urinate that is difficult to defer, associated with conditions such as urinary tract infections and overactive bladder.
extortion
practices associated with vampires, in particular blood-drinking and the draining of a victim's life-force.
Systemic lupus erythematosus (autoimmune disease)
the state of being a vampire