She circled around him and gave his back a hard push. He didn’t expect it as his knees crashed to the floor. He stopped his descent by bracing his arm against the stool. She quickly cast a sticking charm on the stool legs to adhere to the floor. Then, she pointed at his arms, and thick rope burst from the tip of her wand. It wrapped around his arm and the stool. He peered behind him to stare at her with wide eyes. 