Heart of Thorns

Prompt:

"There is an alternative version of Earth. The difference between our Earth and this alternate version is quite simple for upon the alternative, magic never disappeared. But this is not the only variation, though all differences can be traced back to the point in time where on our Earth magic disappeared whereas on the other, it did not...

When the elves arrive they bring with them their magic, but everyone knows magic always comes with a price. The Elven King agrees to keep the peace, but only if he is given the hand of the human of his choosing, in marriage.
As the human in question are you willing, or do you put up a fight?"