Super Short Summary

Kingdom of Ash by Sarah J. Maas follows Aelin Galathynius and her allies, including humans, Fae, witches, and shapeshifters, as they unite to combat the Valg demons threatening their world. Aelin, with her powerful fire magic, leads efforts to gather forces and collect the Wyrdkeys that can either banish the Valg or grant ultimate power. The narrative concludes the epic saga with a climactic battle to prevent the Valg's domination. This novel features graphic depictions of violence, torture, and war.