Octavius had painted a large circle on the floor with various symbols placed inside it. He looked up to the ceiling. He didn't want the demon to have any chance of escape. Have a complete cage would do them good.
Taking out his wand, he lifted the brush up to the ceiling to began to pain. "You got it out of me. It's unfortunate that he went to Malachi but you had no way of really knowing what to do. This isn't your fault, Lavender."