- Big Lipped Alligator Moment: While traveling to Chichen Itza, Lea turns the group into hounds for faster travel. During this time, Mouse is able to talk. No one makes note of it when they're turned back.
- Fridge Brilliance: Fighting the Red King, Harry's first target is the Red Court progenitor's eyes. This is the same tactic he'd used on the White King back in Blood Rites, so no surprise that he'd expect it to work.
- One-Scene Wonder: There is Donnar Vadderung, otherwise known as Odin. He gets a single chapter with dialogue and briefly appears at the end but he effectively comes off as a divine David Xanatos.