He just needed to straighten out his position, roll onto his stomach, and get his hooves underneath himself... but as he completed that final step, his ears locked onto a new noise. It was faint but distinct enough beyond the rain drumming against the lid. Multiple hard somethings slamming against something else, and it was getting louder. It took a few seconds for him to discern that it was hooves galloping against the stone. He froze, only allowing himself slow and silent breaths.