Nidhogg agrees to hear Keen's one-liners so he won't eat her, and they even shake hands. He was so impressed by her knives and even sharper tongue, he actually agrees that his brain is emptier of insults than Odin's left eye socket. Upon noticing the einherjar, Nidhogg was confused at first then prepared to attack, but he got hurt when Keen said that Thor's butt had louder roars. Nidhogg is busy thinking up a new insult for the eagle in Yggdrasil's treetops, Keen gets the idea of helping him with that in exchange for helping her climb the world tree. Magnus thinks that's crazy as they all live in the tree, including the squirrel, but Blitz says people have destructive impulses and some of us want to see the world in ruins just for the fun of it.Īfter she accidentally stumbles into Niflheim, Mallory Keen follows Thor to Hvergelmir and meets Nidhogg coiled around the base of Yggdrasil, he apparently gnaws on humans too due to the bones Keen stepped on. He says Nidhogg and the eagle are kept in a frenzy due to the insults, lies, rumours, and nasty gossip about each other from Ratatosk.

Magnus Chase and the Gods of Asgard The Sword of SummerĪlthough he does not physically appear, Blitzen mentions Nidhogg to Magnus Chase after they were chased out of Yggdrasil by Ratatosk. He sits coiled around the root of Yggdrasil that extends into Niflheim. He has glowing yellow eyes and two sets of razor-sharp fangs. Nidhogg is green and brown, with a roughly lizard-like shape and a long tail.