[ from here ]

Silence came to accent the darkness, and the boy's expression didn't change, didn't show a thing but bland focus. Nigredo was beneath his feet, and Albedo needed to reach him. That was all there was. His hand shifted on the shotgun in his grasp, the knives resting gently in his belt against his hips, and Albedo thought, perfectly and precisely.

How if that man did anything to his brother, Albedo would leave a trail of blood.