Magnus Cold

    Blitzen smiled wearily, no humor in his eyes. “We’ve been in Jotunheim for hours now, kid. The others are below, trying to stay warm. You…well, being the son of the summer god, you’re more resistant to cold, but even you are going to start having trouble soon. Judging from how fast the temperature is dropping, we’re getting close to the borders of Niflheim.”
...
    He scratched the ice from his beard. “Dwarves do well in the cold. You and I will be the last ones to freeze to death. But that’s not much comfort.”