Promises of the Dark (Naughty Alpha's Mate sequel)

After Thea sacrificed her life to save her brother and her love Rogen, she began planning her revenge against her mother, few of the gods and goddesses have allied themselves with the powerful demigod including her grandfather Zeus, yet that is the least of her problems. An ancient being has felt Thea's raw power and craves it for its own. Meanwhile, Lukas is living in isolation in the Alaskan forest trying to cope with the death of his sister.