As soon as his mum yelled, Harry ran into the room. He had only taken a few steps towards the cages when they were blocked from him and he immediately turned on the creature, his wand pointing at her automatically. “Let him go,” he ordered. He was cycling through spells in his head, trying to decide which would do best so he could try getting to the cages again. He knew it was highly unlikely this... thing would actually just let him get to Remus.