Oh, fuck this! When the world is starting to go grey from oxygen deprivation, they finally break through the ice. More than human strength allows Kreyu to haul the two of them and their gear up onto the ice.

After that, a rapid stream of spells pulls the water off of them and shifts the temperature of the air around them from 'arctic' to 'autumnal'.

"It would appear," Kreyu hisses acidly, "that our hostess neglected to mention that the seasons would also be mirrored."