umbra (noun)

1. In Greek mythology, the goddess Persephone was abducted by Hades and was held in the umbra of the Underworld.

2. In the anime series 'Tokyo Ghoul', the protagonist often embraces his dark side, symbolized by his transformation into a menacing umbra.

3. In the comic book 'Batman: The Dark Knight Returns', Batman confronts his inner demons while fighting against the umbra of Gotham City's crime.

4. As the sun set and cast an umbra over the beach, the couple shared a romantic moment, intertwining their fingers and whispering sweet words to each other.