"...I’m really pleased with this plot twist."
The Illustrated Page
"Then the good stuff happens."
SF Crow's Nest
"Aided by a sombre and heroically humble military veteran, Karl, and a slew of other memorable allies..."
Timothy at Goodreads
Good catch! Christopher is the protagonist of the story; but Karl is the hero. The most self-realized character I have ever written; I remember being surprised when I first met Karl in the narrative. Which, given that I was writing it, was a bit surprising.