"That sounds like a fair trade," Kellin agreed, smiling. "And you're right. This isn't my world, so the prophecy has no place here. I don't have to worry about what it wants of me."
Marrying an Ihlini. There was no way for them to get around that: his child would have to be legitimate to take the throne, which meant marrying an Ihlini. The Cheysuli were trying to ignore that, but Kellin never could.