Nicodemus pushed away from the shadows and began to follow Lavender from a distance. She appeared so calm, so at peace for a moment. She really did appear to be oblivious to danger. To most people, it would probably be considered a shame to shatter that. For him though, it was sport. She clearly wasn't seeing him as much of a threat right now. She needed a bit of a reminder.
With a quick flick of Octavius' wand, Nicodemus apparated to appear right in front of Lavender's path. "Evening, Lovely," he said with a smirk.