Expand-o-Duck

Expando-o-Ducks are metal ducks created by Blitzen that, when a button is pressed, grow significantly.

Magnus Chase and the Gods of Asgard

The Sword of Summer

When in a crafting contest with Junior, Blitzen at first makes Expand-o-Ducks as a result of stress as it was well-known that Junior was the best craftsman of the Dwarves.

When fighting Jotunn and Wights on Naglfar, Blitz uses his Expand-o-Ducks to fight the army. When the giants allow a ceasefire for the Flyting between Magnus Chase and Loki, the captain of Naglfar makes sure the Expand-o-Ducks are not used, as they cause great fear in the ranks of the dead.

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

Expand-o-Duck

Magnus Chase and the Gods of Asgard

The Sword of Summer

The Ship of the Dead

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