Empire of Storms (Throne of Glass, #5)

by Sarah J. Maas

“Because I am going to marry you,” he promised her. “One day. I am going to marry you. I’ll be generous and let you pick when, even if it’s ten years from now. Or twenty. But one day, you are going to be my wife.” Those eyes narrowed—in what he could only call female outrage and exasperation. He shrugged. “Princess Lysandra Ashryver sounds nice, doesn’t it?”