Hiding from shadows: The Rune-stones, book one.

I am one of the last of my people, one of less than twenty. My city was destroyed, but our elders kept our relics hidden in a vault, and split the key into ten sections. Just like my father, I am now tasked with protecting one of those sections. And the people who killed my father are now after me. Because they want the ten pieces of the key, so that they can take over the world.
Please read, not a great description but the first page is the full summary.