#misc parallels

But he became doomed in a particular way the moment he swung the sword down on Lady's neck.

The gods said hey, you're doomed, but here's the symbol of your house given mortal form to aid your children, and Ned killed one. His king gave a cruel, unfair order Ned disagreed with, that would hurt a child under his protection, his own daughter, to end the life of a creature that had done no harm, not for meat or furs to survive the winter but merely to satisfy the royal family's sense of offended dignity, and Ned carried that order out personally.

Ned killed Sansa's protector. He killed a gift from the gods.