>>34925732>>34963748The one time in months I get a good question, and it's when I'm out all day and it's from Lioranon...
So! As you say, the priestesses, and generally anyone who is accustomed to the Underworld, are the only Deadbeats who are really able to handle cold weather. Normal deadbeats are vulnerable to it, because they have a lower volume:surface area ratio, which means they lose more heat than normal people. Priestesses are thicker which helps with that, and their cells are denser while consuming as much energy, meaning their body emits enough heat to thermoregulate even when it's cold. While doing physical activity, an average priestess should be fine indefinitely even at -5 to -10 deg C with no warm clothing. But she'll burn calories like crazy. Warm clothing helps a lot, as expected.
Individuals with very high chuubanite levels would see even higher cell densification, and at the extreme range, overheating might be an issue, but that isn't a phenomenon that would be seen outside of individuals that are undergoing experimental treatments.