After 100 years of banishment, she returns to Asgard armed with untold powers and secrets... With only one aim - wreck havoc on the Eternal Realm... Her desire is to kill Odin and her mother, and above all, to punish the God of Mischief in the most painful of ways! Loki is imprisoned; Thor has managed to bring back peace across the nine realms. Even Midgard was safe! Everything looked good... But even AllFather failed to realize that it was just the calm before a storm. An old enemy returns... who fears nothing, loves no one; whose heart is frozen, filled only with hatred against all the Asgardians! Harboring grudges that she will avenge at all costs!

Magnus Chase thought, every since he became an einjerji and sent to Valhalla, he was ready for anything the worlds had to throw at him. That wasn't the case, however, when he found himself face-to-face with a Greek god with the brightest green eyes he had ever seen. "I'm here to help you delay Raganarok."