That's right, if it ever goes above the heat it can handle you will start feeling it again. So if something feels like it might burn you, get out of there immediately. [ With runestone like this it's possible to traverse a city being on fire, but- he's no volcano scholar, but if a molten rock is pouring down the mountain the temperatures involved might be a lot higher than simple flame ]

If you need anything else, I might be able to provide. [ He's not fond of using magic, but he's not stupid. It's a clear situation when the rune effects might be not just helpful- they might save lives. ]