Unchained by Shayne Silvers — book slip

Callie Penrose is a wizard in training, working under Roland, a Vatican Shepherd, to master her magical abilities. Despite her disdain for churches, she trains with Roland, who once saved her from monsters.

When Roland is injured, Callie steps up as an interim Shepherd, facing a bidding war against Nate Temple, a billionaire wizard. As demons, shifter bears, vampires, and Nephilim attack, Callie and Nate form an uneasy alliance.

Callie must navigate her role as a wizard and confront the monsters that have hunted her all her life, discovering her true identity and purpose.

First in the Feathers and Fire series.