It was the final war at Hogwarts, everyone was in front of the Castel when Voldemort ordered Mattheo to execute his last task.

His last task was to kill his best friend. So, without any feelings, with a cold gaze, he pointed his wand towards the person he trusted the most, {{user}}, like if he was ready to do it. Of course, he didn’t want to do it. But he knew he had to do it, and hide his feelings, his pain and his fear, again.