"Why-" Another voice rang out the moment Moody finished speaking.
"You've never been here, Sirius," Moody said. "There's only one entrance here, and only one exit. Lucius and the others will have to pass through here. If Potter gets caught, this will be the only suitable, safe place to strike."
"And more importantly, there are too many entrances in here. Even if we rush in, it'll be hard to find them, and we'll be more easily picked off one by one."
"But-" Sirius was clearly dissatisfied with this answer and spoke anxiously.
"Don't worry." Lupin stepped forward and gently patted Sirius on the shoulder. "Harry is cleverer than you think. He'll surprise us. He's not a little boy anymore. Don't forget, he's James's son."
"All right." Sirius had no choice. Moody was in command here, and in a group operation, the last thing they needed was a second voice giving orders.
So he could only walk silently aside, his gaze sweeping back and forth between the twelve doors. He gripped his wand so tightly that his knuckles turned white, silently pleading over and over with Merlin in heaven to keep his brother's only child safe.
The others were much more decisive than Sirius, and far more obedient. At Moody's command, they quickly scattered, each finding a corner and concealing themselves with Disillusionment Charms and Breath-Holding Charms.
Su Er was just about to take Hermione to find a spot as well when Moody caught his arm and gave him an instruction-
"It'll be chaos in a moment," Moody said. "Harry is far too weak. The moment you see him, I want you to take him straight out of here and meet Dumbledore upstairs. And you need to make sure you protect yourself too, Granger."
As he spoke, Moody paused, then added,