Surtur was a powerful fire demon in the Nine Worlds of Asgard. The Dark Elves of Svartalfheim asked him to defeat the Frost Giants of Jotunheim for them. Surtur saw this as an opportunity to take over the nine realms. He used Elderstahl and attacked them but fought Odin and Gungnir. Surtur stood on top of the mountain billowing in fire. He held his sword ready. Thor says that Odin's spear Gungnir was the only weapon to rival the sword. Odin held up his spear as his six-legged horse reared. This article is a . You can help My English Wiki by expanding it.