Jason tells them all what they're doing (Boreas, storm spirits, wolves, Hera, etc.).
Have you noticed that there is an awful lot of repeating the plot in this book?
Because there is an awful lot of repeating the plot in this book.
There is an awful lot of repeating the plot in this book.
In this book, there is an awful lot of repeating the plot.
They wonder if they should free Hera since she hates demigods, and figure that releasing her is better than letting the giants come back and destroy everything.