So far I've just burnt my buttocks, thighs, and the shaft of my cock. I love the feeling of flames licking my waiting bare buttocks! I envision myself slowly burning to death with the flames just waist high, then after I pass-out and /or die, having huge fire built to totally consume my naked body!
I have been known to get carried away in a mock BATS scene burning myself to the point of blisters, and on a couple of occasions, open burns on my butt.! I loved the burning, but hated the healing!
By the way I just did an indoor butt burn, 99% isopropyl in a fire bowl, and gave my butt a good roasting until I came against a door frame!