Hermione watched as he fished the small bottle of  Felix  out of his pocket, uncapping it and giving the golden liquid a swirl before downing it all in one swallow. His expression shifted subtly as the potion took effect, his face brightening almost imperceptibly as his brow cleared and his posture straightened. With quick, efficient movements, he rolled up the sleeves of both arms and stared down at his Dark Mark. Taking a deep, bracing breath, he brought the tip of his wand to the tattoo, cringing in pain as he activated it, then lowered his wand to wait. 