A figure stood in the doorway, leaning on a long staff and wrapped in a black travelling cloak.
Crack! A fork of lightning flashed across the ceiling, lighting the dim Great Hall as brightly as day.
"Ah!" Some of the more timid girls screamed outright. The face revealed before them was hideously scarred.
Not a patch of skin was intact. Every inch seemed to have been injured. His mouth looked like a crooked gash, and a large chunk was missing from where the bridge of his nose should have been.
But the most frightening thing about the man was his eyes. One was small, dark, and glittering;
the other was large and a vivid electric blue.
The blue eye moved constantly without blinking, swivelling up, down, left, and right, entirely independent of his normal eye.
An unusual light gleamed in Zhang Xiao's eyes as well. Could the Dharma Eye see through Polyjuice Potion?
The answer was perhaps, provided the user had not added further magical disguises.
During his experiments, he had easily seen through the young wizards' disguises, but when he asked Sirius to use Polyjuice Potion as he normally would, he could not see through it.
Partly, his mastery of the Dharma Eye was still lacking, and partly, it came down to the little habits of powerful wizards.
Sirius, for instance, would instinctively cast a series of minor spells to conceal his traces and prevent detection by spells such as Homenum Revelio, a habit acquired from creating the Marauder's Map.
Zhang Xiao had no idea which spell had done the trick. All he knew was that his Dharma Eye could see nothing.
Just as Zhang Xiao was studying Moody closely, Moody's blue magical eye suddenly spun rapidly, locking onto Zhang Xiao in an instant.
*??*
Moody suddenly turned his