Inspired by 'The Last of Us.' Voldemort destroyed all muggles and muggleborns and in the years since, magic has become corrupted and diseased due to the overuse and overabundance of dark magic. Snape has been tasked with escorting Hermione, the last muggleborn, to an Order's research facility where they hope to be able to use her to cure the disease within their magic. M to be safe