Mjölnir, a unique Hammer of Eden, was the personal weapon of the Norse Isu Thor which granted him great power, allowing him to harness electrical energy. It was later found by the Viking shieldmaiden Eivor Varinsdottir of the Raven Clan and claimed for her own.
Mjölnir's first wielder was Thor, an Isu belonging to a Northern European group called the Æsir. He used Mjölnir's electrical powers in tandem with his personal set of armor. He continued to wield the hammer until his death alongside the rest of the Æsir during the Great Catastrophe, which would later be known to humans as the mythical "Ragnarök". After Thor's death, Mjölnir was lost to the world until its rediscovery millennia later embedded in a mountainside in Hordafylke, Norway.
In the late-9th century CE, Mjölnir was recovered and claimed by Eivor Varinsdottir of the Raven Clan, Norsefolk who had relocated to England to escape the rule of a unified Norway under Harald Fairhair. After reclaiming each piece of Thor's armor from various strong enemies across England, she returned to Norway to claim Mjölnir for herself.
|Bear||Mythical||Retrieve from Hordafylke after collecting Thor's Set|
|A legendary hammer that once belonged to Thor, a great being from precursor race. Only the bravest warriors, properly attired, can hope to wield it.|
- Assassin's Creed: Valhalla (first appearance)
- Echoes of Valhalla (mentioned only)
- Assassin's Creed Valhalla: Blood Brothers (mentioned only)