I shot a seven pointer three years back in rifle season that had an arrow in its head. It walked right through the woods to where I was hunting with no trouble at all and showed no signs of anything being wrong. When i went up to him, i noticed an arrow broken off even with the hide and it had entered between his nostrils and his left eye. It exited through his lower jaw and was broke off there also. You could look right down the hollow shaft and see the whole way through his head. He had a little gang green started in the back of his mouth, which I'm sure would have killed him in the winter, but had that not set in he would have went on like nothing was wrong.