S.j. Himes said this quote

Kane hugged Ghost to him. Ghost clung, pressing his face into Kane’s chest. “Whether you are Luca or Ghost or you choose a new name, none of that will change how I feel about you. Your family may not be the way it was before you got lost, but I am here. You came back to me. And I am never going to let you go.

~ S.j. Himes

It felt like fate. That if Gray Shadow and Caius could not find their way to each other, their bloodlines eventually did.

~ S.j. Himes