Mia Potter was the other Potter. Looking almost identical to her mother, she was a force to be reckoned with. But there was only one person who could reckon with her, and his name was Draco Malfoy.
In which the youngest Potter twin finds herself fa...
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Professor Dumbledore sent all the Gryffindors back to the Great Hall, where they were joined ten minutes later by the students from Hufflepuff, Ravenclaw, and Slytherin, who all looked extremely confused. Draco glanced around for Mia and felt relief overtake him when he saw her standing with her arms crossed next to Ron.
"The teachers and I need to conduct a thorough search of the castle," Professor Dumbledore told them as Professors McGonagall and Flitwick closed all doors into the hall. "I'm afraid that, for your own safety, you will have to spend the night here. I want the prefects to stand guard over the entrances to the hall and I am leaving the Head Boy and Girl in charge. Any disturbance should be reported to me immediately," he added to Percy, who was looking immensely proud and important. "Send word with one of the ghosts." Professor Dumbledore paused, about to leave the hall, and said, "Oh, yes, you'll be needing. . . ."
One casual wave of his wand and the long tables flew to the edges of the hall and stood themselves against the walls; another wave, and the floor was covered with hundreds of squashy purple sleeping bags.
"Sleep well," said Professor Dumbledore, closing the door behind him.
The hall immediately began to buzz excitedly and the Gryffindors were telling the rest of the school what had just happened.
"Everyone into their sleeping bags!" shouted Percy. "Come on, now, no more talking! Lights out in ten minutes!"
"C'mon," Ron said to Harry and Hermione. They seized four sleeping bags and dragged them into a corner.
"Do you think Black's still in the castle?" Hermione whispered anxiously.
"Dumbledore obviously thinks he might be," said Ron.
"It's very lucky he picked tonight, you know," said Hermione as they climbed fully dressed into their sleeping bags and propped themselves on their elbows to talk. "The one night we weren't in the tower. . . ."
"I reckon he's lost track of time, being on the run," said Ron. "Didn't realise it was Halloween. Otherwise he'd have come bursting in here."
Hermione shuddered.
All around them, people were asking one another the same question: "How did he get in?"
"Maybe he knows how to Apparate," said a Ravenclaw a few feet away, "Just appear out of thin air, you know. "
"Disguised himself, probably," said a Hufflepuff fifth year.
"He could've flown in," suggested Dean Thomas.
"Honestly, am I the only person who's ever bothered to read Hogwarts, A History?" said Hermione crossly to Mia, Harry and Ron.
"Probably," said Mia. "Why?"
"Because the castle's protected by more than walls, you know," said Hermione. "There are all sorts of enchantments on it, to stop people entering by stealth. You can't just Apparate in here. And I'd like to see the disguise that could fool those Dementors. They're guarding every single entrance to the grounds. They'd have seen him fly in too. And Filch knows all the secret passages, they'll have them covered. . . ."
"The lights are going out now!" Percy shouted. "I want everyone in their sleeping bags and no more talking!"
The candles all went out at once. The only light now came from the silvery ghosts, who were drifting about talking seriously to the prefects, and the enchanted ceiling, which, like the sky outside, was scattered with stars. What with that, and the whispering that still filled the hall, Mia felt as though she were sleeping outdoors in a light wind.
Once every hour, a teacher would reappear in the Hall to check that everything was quiet. Around three in the morning, when many students had finally fallen asleep, Professor Dumbledore came in. Mia watched him looking around for Percy, who had been prowling between the sleeping bags, telling people off for talking. Percy was only a short way away from Harry, Ron, and Hermione, who quickly pretended to be asleep as Dumbledore's footsteps drew nearer.
"Any sign of him, Professor?" asked Percy in a whisper.
"No. All well here?"
"Everything under control, sir."
"Good. There's no point moving them all now. I've found a temporary guardian for the Gryffindor portrait hole. You'll be able to move them back in tomorrow."
"And the Fat Lady, sir?"
"Hiding in a map of Argyllshire on the second floor. Apparently she refused to let Black in without the password, so he attacked. She's still very distressed, but once she's calmed down, I'll have Mr Filch restore her."
Mia heard the door of the hall creak open again, and more footsteps.
"Headmaster?"
It was Snape. Mia kept quite still, listening hard.
"The whole of the third floor has been searched. He's not there. And Filch has done the dungeons; nothing there either."
"What about the Astronomy tower? Professor Trelawney's room? The Owlery?"
"All searched. . . ."
"Very well, Severus. I didn't really expect Black to linger."
"Have you any theory as to how he got in, Professor?" asked Snape. Mia laid on her back and shut her eyes, pretending to be asleep.
"Many, Severus, each of them as unlikely as the next."
Mia opened her eyes a fraction and squinted up to where they stood; Dumbledore's back was to her, but she could see Percy's face, rapt with attention, and Snape's profile, which looked angry.
"You remember the conversation we had, Headmaster, just before, ah, the start of term?" said Snape, who was barely opening his lips, as though trying to block Percy out of the conversation.
"I do, Severus," said Dumbledore, and there was something like warning in his voice.
"It seems, almost impossible, that Black could have entered the school without inside help. I did express my concerns when you appointed. . . ."
"I do not believe a single person inside this castle would have helped Black enter it," said Dumbledore, and his tone made it so clear that the subject was closed that Snape didn't reply. "I must go down to the Dementors," said Dumbledore. "I said I would inform them when our search was complete."
"Didn't they want to help, sir?" said Percy.
"Oh yes," said Dumbledore coldly. "But I'm afraid no Dementor will cross the threshold of this castle while I am Headmaster."
Dumbledore left the hall, walking quickly and quietly. Snape stood for a moment, watching the headmaster with an expression of deep resentment on his face, then he too left.
Mia glanced sideways at Harry, Ron and Hermione. All of them had their eyes open too, reflecting the starry ceiling.
"What was all that about?" Ron mouthed as Mia shrugged. She looked up at the night sky and watched as the galaxy colours blended into each other. A small smile came on her face when she saw a shooting star fly over her head.
