WHAT DOES SOULD BOUND SHADOWS MEAN?

The other 50 percent of my soul, the one which had struggled to keep sanity below the burden in the werewolf's needs and needs - hungered to survive, and she or he wouldn't allow me to quit.The 2 primary people are Gabriel that's vampire royalty and Evangeline a PI and witch. As the story proceeds they find they need to perform alongside one anothe