Impelled like wan somnambulists, arise—
Constrained to emerge and walk, or seated each
On his own tombstone, shrouded council hold,
Or commerce with the sooty wings of Hell.
All omens of this influential hour
When all dark powers, thronging to the dark,
Promote enchantry with their wavèd wings,
And brim the wind with potency malign—
A dew of dread to aid our cauldron—these
Observe thou closely, while I seek afield