Power He Knows Not

One Shot - Harry Potter, the boy who lived, was having nightmares, but not your regular nightmares, after fourth year at Hogwarts. All he can see is someone... himself!... dying by a magical blast. What is going on? All he knows is that it started when he took a glimpse of the new neighbors. Harry as the rebirth Sapphire. Harry/Serena (AN: Don't flame me. T T)