How do you get a full house crest in the level news from Azkaban in lego Harry Potter?

To earn a full house crest in the "Prisoner of Azkaban" level in LEGO Harry Potter, you need to collect all the required items and complete specific tasks. This includes finding all the hidden collectibles and completing challenges like defeating enemies and solving puzzles. Make sure to explore thoroughly and interact with the environment to ensure you don't miss any necessary items. Completing these objectives will unlock the full house crest for that level.