The Spark: The Crystal (Temporarily, this will not have any cover art)

Seth and Ash, two survivors of an attack on their kingdom, are thrown out into the wilderness, without a home, to find Seth's surviving family, and retrieve the crystal from the ferocious Gargoyles. Why did the Gargoyles plan an attack on their kingdom? Is there more to the Gargoyles than it seems? And will Seth find his family in one piece?