I did a reasearch on the word darkness and found no entry with "the" before it.

Take a look:

dark‧ness [uncountable]
1 when there is no light:
the long hours of darkness during winter
in darkness
The lamp suddenly went out, leaving us in darkness.
total/pitch/complete darkness
The room was in total darkness.
We lit our campfire as darkness fell (=it became night).
He stared out the window at the gathering darkness (=the night slowly coming).
2 evil or the devil:
His smooth manner covered a heart of darkness.
the forces/powers of darkness (=the devil or evil people)
3 the dark quality of a colour:
the darkness of the lenses

(www.longman.com)