Despite their differences and personal demons, the six crows must rely on each other to survive. Throughout the story, they learn to trust and stand up for one another, forming strong bonds of loyalty.

Each character carries scars from their past that influence their actions and decisions. The book explores themes of trauma, loss, and forgiveness, showing how difficult it can be to break free from the shadows of the past.

In the world of 'Six of Crows', nothing is black and white. The characters operate in a moral gray area where they often must make difficult decisions to survive. The book questions how far one can go to achieve their goals and whether the ends justify the means.