Rules of Redemption (The Firebird Chronicles, #1)

by T.A. White

The burned-out wreckage of the alien spaceship drifted in a halo of its own debris. Its end had been violent, full of fire and carnage as it entered its death throes. The scars of the ship’s final battle were visible in the gaping wounds dotted throughout its carcass.

First lines. I like 'em.

Kira and Jin shuffled along the terrace

Well, Jin can't shuffle...

Something about her warned him she would one day be important to him. At home, you could sometimes feel the coming of a storm when there wasn't a cloud in the sky. He got the same feeling when he looked at her. Sometimes storms revealed hidden treasures, wiping away the old rot and replacing it with something stronger. Other times they washed everything away, leaving nothing in their wake but devastation. He couldn't guess which type of storm this woman would bring, but he'd learned to trust his senses. If they indicated she was important, he'd listen.

Or they originated with the Tuann, and Earth's ancient people appropriated the runes for their own use, Kira thought.

This seems much more likely.