Complex sentence: Aaron Corbett learns on his 18th birthday that he is a Nephil, the child of a Human and Angel pairing, and that he is being pursued by a group of angels called "The Powers".
Split into simpler sentences: Aaron Corbett learns on his 18th birthday that he is a Nephil, the child of a Human and Angel pairing. And that he is being pursued by a group of angels called "The Powers".