Final answer:
In the book 'Red Rising' by Pierce Brown, the Proctor of Neptune eats grapes during the fight between Darrow and Pax.
Step-by-step explanation:
The question you've asked relates to a specific scene within a book where a character, known as the proctor of Neptune, is observed eating something during an intense moment in the narrative. In the novel Red Rising by Pierce Brown, during the fight between Darrow and Pax, the Proctor of Neptune is noted for eating grapes. This detail contributes to the imagery of the scene and enhances the reader's sense of the character's detachment from the violence occurring in the arena below.