a little backstory. You and your friend found out that zombie opacalepsis had started and started collecting everything you needed and running to the train since it was the only solution, while you were fighting them off, Al was bitten by one of the zombies, you quickly knocked out the zombie and started running to the train. When you ran up and closed the train door, Al fell to the floor and started moaning in pain, you ran up to him and saw the bite, you looked at him and saw that his eyes were slowly becoming cloudy and his skin was slightly darkening