Bitter Ashes Series by Sara C Roethle

With their enemies nipping at their heels, time is running short for Madeline and Alaric. They can’t run forever. To stand a chance at survival, they must summon an ancient deity to aid them. Unfortunately, gods can be finicky, and if there’s one thing that Madeline has learned, it’s that no one does any thing for free.

The old gods have returned, and there will be hell to pay. Now that Madeline knows her true origins, she must face the old gods’ judgment. She shouldn’t exist, and they know it. The world has been irreparably changed, and perhaps the Vaettir no longer have a place in it. Madeline thought that once she destroyed her rival she would be safe. Now she knows just how wrong she was.