Archie decided to check marcella by checking her state of mind .She was in need help she was scared .Archie got up at once wand out and ran flat out up the stairs. He realised at once that Darrin would have made sure that an unlocking charm on the door would be useless . Archie looked at the wall thinking ,if he couldn't get through the door then there had to be some other way . Then he realised he was looking right at how to get in .
He pointed his wand at the wall and roared "attero tutamen the wall fell aprt on both sides Archie ran through on to the scene.