Look...at...me..." he whispered. The green eyes found the black, but after a second, something in the depths of the dark pair seemed to vanish, leaving them fixed, blank, and empty. The hand holding Harry thudded to the floor, and Snape moved no more.
J. K. RowlingFawkes is a phoenix, Harry. Phoenixes burst into flame when it is time for them to die and are reborn from the ashes.
J. K. RowlingBut as he reached the ground and sprinted towards the dais, Lupin grabbed Harry around the chest, holding him back. There's nothing you can do, Harry -' Get him, save him, he's only just gone through!' - it's too late, Harry.' We can still reach him -' Harry struggled hard and viciously, but Lupin would not let go... There's nothing you can do, Harry...nothing...he's gone.
J. K. Rowling