What is some figuritive language in The House of Hades by Rick Riordan?

In "The House of Hades," Rick Riordan uses figurative language such as similes, metaphors, and personification to create vivid descriptions and enhance the story. For example, he describes a character's eyes as "flashing like lightning" (simile) and a monster's roar as "shaking the ground like an earthquake" (simile). These elements add depth and imagery to the narrative.