The Blight - Outbreak of the damned

As a major guts and black powder fan I just had to make some ideas in my head
These countryhumans (obvi European, no Americans affected here unless you count New York which btw is not cannon, just an event) are being tortured with the uprising of the blight. Shamblers, Runners, Bombers, Sappers who have given into the blight, all after the survivors. In a time like this, humanity begins to doubt its deities. In moments like this, bloodshed is seen everywhere throughout Europe. In these hardships, people will find that their enemies aren't the only ones they're fighting...