“No, no, no! Begone! You shall not!” She glared at it, focusing her will on the small grain, draining it of its malevolent power. When it finally fell out of her magic, she rubbed her temple. There were probably more of them stuck to the unicorn, and she would have to pull them all free and neutralize them. If but one were left, it would grow and multiply, and could potentially corrupt anypony who came into contact with it.