Perhaps the karma forged beneath the bodhi tree that year bound them together through three lifetimes, until they finally found a perfect ending in one.
In their first life, she was an assassin posing as a noblewoman, and he was a neglected prince with power stretching far and wide.
She was coldhearted, yet family and love still found their way into her heart. He had lost his mother as a child, growing in darkness toward the light in a corner no one cared to notice. At first, they were both merely pawns ignored by everyone. Later, they became each other's salvation and sunshine.
In the end, he crossed the Bridge of Helplessness with his girl, Fan Yin, by his side.