Tales from Earthsea

The first mark of existence in Buddhism is anicca, impermanence, and the teaching is blunt: suffering arises from the craving that everything stay. Cob is craving made into a body. He has looked at death and refused it absolutely, and the film shows that this refusal is not a private sin but a cosmic one, because a world where one thing will not pass is a world where nothing can properly live. His immortality drains color from everything around him, which is precisely what clinging does to a life.

Ged states the counter-teaching directly. He tells Arren that life without death would be no life at all, that the fear of death is the fear that hollows a person out. Cob has purchased endlessness and spent his soul to buy it, and endlessness turns out to be the emptiest thing there is. Arren's arc is the reversal: a boy fleeing his own shadow, terrified of death, who learns that accepting mortality is what lets him finally stop running. The dragon at the end, life and death fused in one creature, is impermanence restored to its throne.

Arren spends the film pursued by a dark double, a shadow-figure that hunts him and terrifies him, and the film's one genuinely strong idea is that this shadow is Arren himself. He committed a monstrous act, killing his father, and split it off from his self-image, projecting his own darkness outward as a phantom he can flee. This is the Jungian shadow in textbook form: the disowned material that follows you precisely because you refuse to look at it.

The resolution comes only when Arren stops running and turns to face the shadow, and in facing it recognizes it as his own. Integration, not defeat, is the cure. Cob functions as the film's warning of the alternative, a man who never integrated his terror and so was consumed by it, becoming the thing he feared. Arren survives because he does what Cob could not: he owns the darkness and death inside him, and in owning them becomes whole enough to live.