VEINS OF THE EARTH DM SCREEN
A day's worth of rations costs 100sp and takes one encumbrance slot. 10 calories = 1sp = 1 Lume.
Constitution save every turn (10 mins) spent in hypothermic conditions. On fail, gain a stage of hypothermia.
To recover, must be warmed by a source of heat. Recover 1hp lost to hypothermia each minute, then wake up. Sensation returns to arms and legs in two turns, hands and feet in one turn.