“Percy," Apollo said, "I wouldn't worry too much. The last Great Prophecy about you took almost seventy years to complete. This one may not even happen in your lifetime."I thought about the lines Rachel had spoken in that creepy voice: about storm and fire and the Doors of Death. "Maybe," I said, "but it didn't sound so good.""No," said Apollo cheerfully. "It certainly didn't. She's going to make a wonderful Oracle!”