When Voldemort possesses Harry Potter during the battle at the Ministry of Magic at the end of Order of the Phoenix , his physical body seems to disappear from the scene: For a few seconds Voldemort was visible only as a dark, rippling, faceless figure, shimmering and indistinct upon the plinth, clearly struggling to throw off the suffocating mass. Then he was gone and the water fell with a crash back into its pool, slopping wildly over the sides, drenching the polished floor. 'MASTER!' screamed Bellatrix. Sure it was over, sure Voldemort had decided to flee, Harry made to run out from behind his statue guard, but Dumbledore bellowed: 'Stay where you are, Harry!' For the first time, Dumbledore sounded frightened. Harry could not see why: the hall was quite empty but for themselves, the sobbing Bellatrix still trapped under the witch statue, and the baby phoenix Fawkes croaking feebly on the floor. Then Harry's scar burst open and he knew he was dead: it was pain be...