He kept his word; later that evening, he told Percy all about Hagrid's dragon egg, about Norbert, and about the resulting dilemma. He and Neville, even with help from the others, had not been able to figure out how to get to the top of the Astronomy tower at midnight on a Sunday without getting caught by Filch halfway and getting in amazingly huge amounts of trouble, especially given the constraint that they were going to need to do it while transporting a crate approximately the size and weight of Neville.