The Sunken City Series by Emma V. R. Noyes

The Fallen Witch has risen, bringing chaos back with her. The Ten Kingdoms have splintered. Amare and her friends are on the run. Tectixa is dead set on raising the oceans, wiping out all of humanity in the process. And, as if that weren’t enough, Lukas’s first love is back from the dead. Before Amare can ask what this means for their relationship, Lukas and Phoebe are stolen away, sending her into a magic-fueled rage... moreThe Fallen Witch has risen, bringing chaos back with her. The Ten Kingdoms have splintered. Amare and her friends are on the run. Tectixa is dead set on raising the oceans, wiping out all of humanity in the process. And, as if that weren’t enough, Lukas’s first love is back from the dead. Before Amare can ask what this means for their relationship, Lukas and Phoebe are stolen away, sending her into a magic-fueled rage. Now, if she wants to save the man she loves and protect the Ten Kingdoms from all-out war, she’ll have to go undercover, pretending to get close to the witch she despises most of all. Alliances will be formed, trust will be broken, and true love will be the final test. less