Dean doesn't quite seem to realize that Castiel is an ancient and powerful celestial being, God's fearless weapon, an Angel that has lived through apocalypses and countless tragedies before. Shaped by millions of years of blind obedience, free will could turn out to be his undoing. [POV Castiel, Pre-Series, Season 4 & Season 5]
Just after her return to Heaven, Anna Milton finds herself in the company of three teenage wizards. Deciding to travel with them, she soon discovers a hidden world at war and a secret kept hidden from the magical trio.