About the book: year / What happened to the glorious Einherjar Magnus Chase. But a ship made from the nails of the dead is something completely out of the ordinary! And yet, it is he who Magnus and his friends need to find in order to once and for all put an end to the insidious plans of Loki, the god of deception, who dreams of only one thing - to start Ragnarok. To get to Naglfar, a ship infested with the dead, the friends will have to face trials beyond anything even in a nightmare. And if only it were about giant killers and water horses dragging them to the bottom of the sea! This time, each of the friends will have to face their deepest fears... What will it cost them to save the Nine Worlds??