I like the d10s thing. I may need to use that. I use d6s but do the cumulative thing of 1d6 for first 10 feet, 3d6 for 20 feet, 6d6 for 30, 10d6 for 40 feet and so on, and have never worried about a cap. I also require a Con save vs. death if you take over 50 points of damage (DC 10 + 1 / 10' of...