Deal with the Devil Duet Series by G.E. Masters

To keep her soul, she'll have to make a deal with the Devil. The Dark Lady comes for a witch's soul on their eighteenth birthday. That's the way it's always been, but Vivian's instincts are telling her to run. So she does. Fleeing from home and denouncing all magic, she spends the next ten years with one foot out the door, terrified that the ruler of Hell will come knocking. But when her suppressed magic finally breaks free and the Dark Lady tracks her down, it's not to claim her soul... moreTo keep her soul, she'll have to make a deal with the Devil. The Dark Lady comes for a witch's soul on their eighteenth birthday. That's the way it's always been, but Vivian's instincts are telling her to run. So she does. Fleeing from home and denouncing all magic, she spends the next ten years with one foot out the door, terrified that the ruler of Hell will come knocking. But when her suppressed magic finally breaks free and the Dark Lady tracks her down, it's not to claim her soul. Covens have been disappearing under mysterious circumstances and she needs Vivian--and her magic--to stop it. Using the Dark Lady's desperation, Vivian strikes a deal: she will help, but only if she gets to keep her soul. As her connection to both her magic and to the alluring ruler of Hell gets stronger, Vivian uncovers the horrifying truth: there is something far more dangerous than the Devil out there, and it's coming for her. This is a sapphic paranormal romance with dual POV. less

To save her soul, she’ll have to put her faith in the Devil. Vivian is trapped in a crumbling tomb masquerading as a palace. Her magic has abandoned her. She is forced to spend each day with Phanes, the false God of Life, afraid of his erratic behavior and his plans for her. After nearly succumbing to her injuries, Venus is stuck in her nightmares, both real and imagined. Her love for Vivian is the only thing driving her forward, desperate to rescue the witch from her father’s grasp... moreTo save her soul, she’ll have to put her faith in the Devil. Vivian is trapped in a crumbling tomb masquerading as a palace. Her magic has abandoned her. She is forced to spend each day with Phanes, the false God of Life, afraid of his erratic behavior and his plans for her. After nearly succumbing to her injuries, Venus is stuck in her nightmares, both real and imagined. Her love for Vivian is the only thing driving her forward, desperate to rescue the witch from her father’s grasp. Both fight like Hell to return to one another, but the Vivian that returns is not the woman Venus knows. As Vivian struggles to overcome her trauma, her and Venus must prepare to fight against Phanes’s crusade against them, overcoming their fears to right his wrongs. The fate of the world hangs in the balance. Will the Dark Lady and the witch who defied her be able to prevail, or will the world be thrown into darkness? This is the second book in the Deal with the Devil duet. Book one, When Flowers Wilt, must be read first. less