bad HP

Chapter 5:

17. What really matters in life is not what happened to you, but what and how you remembered. (Dove again, pointing to the ending, the realm of eternity)

18. "Don't be so cynical and cynical, Evelyn, no one likes a hedgehog covered in thorns." (It's not a foreshadowing, but Perseus mentioned in chapter 43 "Lia, you haven't been so cynical in a long time.")