Do not give in to the call of the darkness. The longer Avery spends in her world, the less she remembers about Soluna. Her life is filled with visions and voices she can't explain. In Soluna, her twin sister, Amara is fighting to discover who is behind the demon attacks. Fearful that it is someone within the castle walls. Can they figure out what is happening with the demons before it is too late? Book two in the Twingenuity Series. Possible trigger warnings include: Abuse (mentions of physical and mental), alcohol consumption, anxiety, death, profanity, self-sacrifice, sexuality, and violence.