Creature of the Night

Oh, darkest obsidian night!
So tranquil in its beauty,
Yet...what madness is this?
Something has gone awry!
From whence does this nightmare spring forth?
A gradual metamorphosis of lunacy,
Brought on by some enigmatic being?
In the stygian blackness
There lurks the nosferatu!
Seeking the absinthe he craves most-
The nectar of human blood,
That causes him to salivate.
Such a voracious appetite he possesses!
'Tis no coincidence
That he lies in wait for the darkness
To catch his victims unaware.