Instructions
Walk toward the wall and target the vines. Press and hold the "Square" button, then use the Lumos spell to move the vines out of the way and reveal a cabinet.
Target the cupboard doors on the floor and then press the "Square" button. Use the Wingardium Leviosa spell to lift up the doors and attach them to the cabinet. Open the cabinet, take out the earmuffs and put them on protect your character from loud noises.
Walk to the right and pick up the shrieking mandrake; its shrieks don't affect you as long as you have your earmuffs on. Walk down the hallway with the shrieking mandrake. The screams from the shrieking mandrake shatter glass jars in the hallway. When you get to the glass door, point the shrieking mandrake in the general direction of the door to break it as well.