Skofnung

The Skofnung was a powerful magical sword, earlier owned by prince Gellir. Later, the sword got destroyed in the process of freeing Loki.

History

The sword was forged by King Hrolf and contained the souls of his twelve berserker followers. A man named Eid stole the sword from Hrolf. Eid, in turn, lent it to a prince, Thorkel, who never returned it. When Thorkel died in a shipwreck in Iceland his son Gellir found the sword and used it in many battles. When Gellir died in battle the sword was buried with him.

Magnus Chase and the Gods of Asgard

The Hammer of Thor

Hundreds of years later, Loki planned to used the sword to free himself. He did so by convincing Randolph Chase to cut him free using the sword. At the end of the book, Randolph used the sword and its matching stone in Loki's cavern to cut Loki's bonds and free him.

However, the sword was drawn in the presence of women such as Samirah, Alex, Thrynga and Sigyn. This was against the rules of using the sword. Hence, the berserker souls in the sword grew angry. With a high-pitched shriek, they began to attack Randolph. As Randolph freed Loki's bonds, the sword dissolved and with it, Randolph's body dissolved too.

Conditions

The sword cannot be drawn in the presence of women (as long as they are concious).
The sword cannot be drawn in direct daylight.
The sword can only be sheathed after it has tasted blood.
The sword can only be wielded by those of noble lineage.

Trivia

The Skofnung Stone can be used to sharpen the blade.
According to Jack, the sword is a female.
The kenning of the Skofnung Sword is Blood River.

Items
Personal Weapons:	Riptide \| Annabeth's Knife \| Backbiter \| Master Bolt \| Poseidon's Trident \| Nico's Sword \| Thalia's Spear \| Aegis \| Ares' Sword \| Ares' Shield \| Caduceus \| Apollo's Golden Bow \| Silver Bow \| Artemis' Knives \| Hades' Sword \| Hades' Staff \| Kronos' Scythe \| Ivlivs \| Katoptris \| Hazel's Spatha \| Frank's Spear \| Reyna's Spear \| Juno's Gladius \| Annabeth's Sword \| Sumarbrander \| Gungnir \| Gjallar \| Mjolnir \| Gríðarvölr \| Khopesh \| Mallory's Serrated Knives \| Meg's Twin Imperial Gold siccae blades \| Thyrsus \| Hecate's Torches \| Minotaur's Axe \| Leroy's Sword \| Tyson's Javelin \| Alex's Garrote Wire \| Piper's Sword
Magical Items:	Annabeth's Yankees Cap \| Helm of Darkness \| Pandora's Pithos \| Winged Shoes \| Golden Fleece \| Flying Chariot \| Golden Apple \| Apples of Immortality \| Greek Fire \| Hermes' Multivitamins \| Nectar and Ambrosia \| Stygian Ice Whistle \| Keys of Hades \| Leo's Magical Toolbelt \| Serapis' Staff \| Magic 8 Ball \| Arrow of Dodona \| Pig Ball \| Mechanical Spider \| Angel Statues \| Athena Parthenos \| Chiron's Wheelchair \| Diocletian's Scepter \| Flaming Dodgeball \| Gleipnir \| Poseidon's Pearls \| Queen Hippolyta's Belt \| Mistletoe Arrow \| Frank's Stick \| Expand-o-Duck \| Caligula's Caligae \| Ran's Net \| Rune Stones \| Nábrók \| Pomegranate
Spoils of War:	Minotaur's Horn \| Medusa's Head \| Kampê's Scimitars \| Nemean Lion's Pelt \| Gorgon Blood \| Cornucopia \| Lydian Drakon Hide \| Phineas' Robe and Slippers \| Triptolemus's Almanac \| Odysseus' Astrolabe
Items:	Camp Necklace \| Chameleon Armor \| Daedalus' Laptop \| Golden drachma \| Denarius \| Red Gold \| Mark of Athena \| Thalia's Shield \| Video Shield \| Wristwatch Shield \| Golden Mango \| Sibylline Books \| Letter of Recommendation
Ships	Amos' Boat \| Argo II \| CSS Birmingham \| Egyptian Queen \| Julia Drusilla Yachts \| Pax \| Queen Anne's Revenge \| Reed Boat \| Naglfar \| Gorgyra's Canoe
Blessed Metals:	Adamantine \| Celestial Bronze \| Imperial Gold \| Stygian Iron \| Bone Steel