What this song renders
Egils saga ch. 57 preserves the most famous documented act of insult-magic in the whole Norse corpus, and its detail is the saga’s, not the album’s: the hazel pole, the horse’s head set on top, the pole driven into a cleft in the rock facing inland, the runes carving the whole formula of the invocation, the land-spirits called to wander astray until they drive Erik and Gunnhild from the country. The níðstǫng form is independently attested in the Norse legal corpus as a punishable act. And Egils saga is independent of Heimskringla — a second medieval witness to the witch-queen frame, the canon’s most famous skald set against the canon’s most dangerous queen.
What the album adds is the counter-curse. The saga records the pole and the long feud — Gunnhild’s repeated attempts on Egil’s life across decades — but gives her no answer at the hearth; the album asserts one, in her own silent object-grammar. The verse’s boldest claim, “I gave him back his brother’s death,” is the witch’s expansion, not the chronicle’s: Thorolf Skallagrímsson died at Brunanburh in 937 fighting beside Egil for King Athelstan, and no source credits Gunnhild with it. Her point of view claims more than the chronicles assign her — which is the point.
Neither curse killed, and both succeeded. Egil’s pole preceded Erik and Gunnhild being driven from Norway — but she came back, and ruled through Harald Greycloak. Her counter-curse never took Egil’s life — he died in old age at Borg, the longest-lived major skald of the saga age — but he mourned: the Sonatorrek, his lament for lost sons, was composed well inside the curse-window. The outro’s grudging respect — “And Egil did not write me wrong” — is the album acknowledging that the hostile skald produced the most truthful portrait of her that survives.
Saga-attested curse, invented answer. The nithing-pole — hazel, horse-head, runes, the cleft in the rock — is specified in Egils saga ch. 57, and the curse-form is independently attested in Norse law. Gunnhild’s counter-curse at the hearth is the album’s addition, and the chorus’s claim is historiography rather than history — the album’s second thesis, sung back at the chroniclers.