He wasn't sure how long he'd been stuck. A day, maybe two. He was hungry and tired and he really wanted to wake up from this nightmare so he could go pour himself a drink and shove this to the back of his mind with the rest of them. Unfortunately, he was pretty sure it was no nightmare. It felt painfully claustrophobic and like unending space all at once, cold and silent and hard. He couldn't get out; every time he thought he found a way to the exit there was another mirror... or rather, another wall of glass, more like a window now. He'd beaten his hands black and blue against the glass, but hadn't even cracked it.
Peter had seen no sign of his reflection since it had abandoned him there - he was the reflection now. Every now and then movement elsewhere would catch his eye, drifting from one frame of glass to the next. He didn't know if it was more mirror creatures, or more people like him, stuck there, but he had no interest in getting anywhere near them. That is, until he caught a flash of familiar bright blonde hair.
It was hard to move silently in such a quiet place; every footstep sounded like drumbeats, every breath stark in the still air. Still, he followed the little flickers of movement until he managed to get a clear view, confirming his suspicions. Amy was in the House of Mirrors, and her reflection doppelganger was on the move. He could see it down the end of one hallway, moving when it shouldn't. It caught his eye and smirked at him, and he shrank back. Hope mingled with dread; he didn't want Amy to get stuck here too. But if he could get the real Amy's attention, maybe she could get him out.
A ear-shattering crash and a shudder suddenly swept through the whole place, making him flinch. "The fuck was that?" he breathed, eyes wide and darting everywhere before landing on one of the mirrors. It had cracks fanning out in a circle from where something had hit it. There was another flash of movement, and he turned his head, and the whole House of Mirrors again shuddered and screamed as glass shattered everywhere. Peter dropped to his knees, arms up to cover his head. It happened again, then again, and again, several more times. And then everything fell silent and still once more.
Cautiously, Peter lifted his arm away from his face, bits of broken glass falling off his sleeves and slipping from his hair. Amy was walking away. "No," he whispered, and jumped to his feet to give frantic chase, ducking around the halls of the mirror maze to try and get ahead of her. "No! Amy, don't leave me here, please! AMY!" He yelled as loud as he could, pounding on his side of the glass walls. And then, finally, she caught sight of him.