On my most recent play through, I put my torch in my strongbox, knowing I didn't need it for the time being since the room I was in was pretty well lit. Once I was done slaughtering zombies in said room, I clicked on my strongbox to get the torch out since the room that I was going to enter was pretty dark, but some sort of "container error" happened and the torch, along with many other things in the strongbox were gone forever. I think there should be a couple torches scattered throughout each level, maybe 2 - 4, it would be very helpful when someone simply loses their torch or a bug such as mine occurs.