I all of a sudden started to rubber band while in a military camp on the outskirts of Stary Sobor, a location that had may zombies. It turns out that the zombie A.I thought I was in a different area then I was. I started to get hit by said zombie and could not get a hit to register on him. I then ran inside a building and apparently passed because the zombie was still hitting me from about 20 yards away. I had probably about 8 to 10 hours of game time on that character.