I have not been to Niffleheim, for only the dead may walk there. As for Muspelheim, our King has forbidden anyone from Asgard to travel there. The Fire Giants have often been our enemies.

[He grins and leans forward, lowering his voice as if someone might overhear.]

But I did go, once. My friends and I wanted to see what it was like. It is an inhospitable place, full of sulfur and smoke. We did not stay long.