Son of Poseidon Revealed in Capture the Flag Twelve-year old Percy Jackson’s father’s Identity is Discovered Twelve year old demigod Percy Jackson’s father was revealed during a capture the flag game at Camp Halfblood. While visiting Camp Halfblood, a summer camp for young demigods in training, I watched the end of the capture the flag game the campers had participated in. I first witnessed Percy Jackson plunge into the river he had been guarding during the game. He had acquired a sword cut on his upper arm while defending, but the cut vanished when he hit the water. A few moments later, a young camper the same age as Jackson named Annabeth arrived at the scene and witnessed the cut disappear. She was clearly unsettled
