"We should really just lock that after curfew," said Percy idly, and went back to his Transfiguration book. Once he'd become a prefect he'd tried a number of times to chase down his brothers when they left the common room past curfew, and it had always failed. He always ended up lost and nowhere near them. Eventually, he'd given it up as a lost cause, and at this point didn't even consider it worth the time to bother trying.