While Hssken are generally not great at regulating their core temperature, cooling down is often more difficult for them than warming up, largely thanks to their particular lack of sweat glands. Swimming is one of the few activities coming with built-in cooldown support.
Apart from the recreational aspect, regular dives in the cave river are required for maintenance on waterworks and the fishery. Diving comes easy thanks to their different gas exchange chemistry, but it can also be significantly more dangerous.







