Gargoyle Knight - Dark Urban Fantasy by William Massa

http://www.amazon.com/GARGOYLE-KNIGHT-Dark-Urban-Fantasy-ebook/dp/B00HC4UKKC

When his kingdom is threatened by an ancient evil, a king is forced to make the ultimate sacrifice. If he is to defeat an army of monsters, he must become one himself! His victory carries a terrible price... An eternity frozen in stone.

Fifteen centuries later, the Celtic warrior is awakened when the world needs him most. A stranger in a strange land with his only guide a beautiful archeology student, he must battle his old adversary once again, all while struggling with his own darkness. For he is by day a man, by night cursed to become... The GARGOYLE!