‘You moron, Dudley!’ Harry yelled, his eyes watering with pain as he scrambled to his hands and knees, feeling around frantically in the blackness. He heard Dudley blundering away, hitting the alley fence, stumbling. ‘DUDLEY, COME BACK! YOU’RE RUNNING RIGHT AT IT!’
There was a horrible squealing yell and Dudley’s footsteps stopped. At the same moment, Harry felt a creeping chill behind him that could mean only one thing. There was more than one.
‘DUDLEY, KEEP YOUR MOUTH SHUT! WHATEVER YOU DO, KEEP YOUR MOUTH SHUT! Wand!’ Harry muttered frantically, his hands flying over the ground like spiders. ‘Where’s – wand – come on – lumos!’
He said the spell automatically, desperate for light to help him in his search – and to his disbelieving relief, light flared inches from his right hand – the wand-tip had ignited. Harry snatched it up, scrambled to his feet and turned around.
His stomach turned over.
A towering, hooded figure was gliding smoothly towards him, hovering over the ground, no feet or face visible beneath its robes, sucking on the night as it came.
Stumbling backwards, Harry raised his wand.
‘Expecto patronum!’
A silvery wisp of vapor shot from the tip of the wand and the Dementor slowed, but the spell hadn’t worked properly; tripping over his own feet, Harry retreated further as the Dementor bore down upon him, panic fogging his brain – concentrate –
