Brandon Sanderson did this with his Mistborn series. The night was feared by many, buy the mists were a force of good and brought power, while the daylight brought vulnerability and in the end, immense, destructive heat.<<I like this idea quite a bit
Her red cloak swirled around her, the anguished cry of a male catching her attention. Everyone knows this forest is dark so what compelled this man to break the unspoken vow of entering? <What compelled her to break the unspoken vow of entering?