this is the grand crossover Maeve has released the Valg and Ilken. in her intent to destroy Aelin, she forces Lady Gisela and Vespera into a blood oath. Things go wrong, and the Valg take Gisela and Vespera as hosts, enslaving them. All world's know something is up. Keefe feels something gone amiss. Aelin feels the presence Percy senses unrest Harry feels a return only, this isn't what they are used too. Forced together, the unlikely team works together to tackle the mess. But nothing comes for free. Are they willing to sacrifice what they love most?