What is the purpose of dehumanization?

Dehumanization is the psychological process of demonizing the enemy, making them seem less than human and hence not worthy of humane treatment

Hope it helps

i suggest it is anadiplosis

- "is not only a luminous passive watcher in the night sky, but it is a powerful force.

it does symbolizes love,   lust   and dreaming and is seen as a power symbolic force that determines and affects human behaviors and reactions.

in the context of the question it does remain you that he events are only taking place at night and the reader of the passage of time."