[By this time, Merlin's hair has gone white, and he can't be kept warm despite being covered in blankets and kept near the fire. The only thing keeping him alive is his own innate resilience, but he's more and more unresponsive, cold to the touch, looking pale and almost blueish from the effects of the ice magic.]
[He remembers being this cold once, being on the verge of death like this. At the time, Lancelot and those water spirits saved him. Here, he has neither... But with the return of magic, there's still a chance.]