Dáinsleif

Dáinsleif is king Högni's sword, according to Snorri Sturluson's account of the battle known as the Hjaðningavíg.
When Heðinn offers him compensation for the abduction of his daughter, Högni replies:

In popular culture

In Final Fantasy Type-0 and its remake, the first chapter ends with the player fighting a "l'Cie" named Qun'mi, who pilots a magitek weapon called "Dáinsleif".
Genshin Impact, a 2020 action role-playing game, features a character named Dainsleif.
Legend of Mana, a Square role-playing game, features a monster named Dainsleif.
Senki Zesshō Symphogear, a Japanese anime television franchise animated by Satelight features an ancient relic in the form of a sword, named 'Dáinsleif'.
Several games in the Castlevania series feature 'Dáinsleif' as a usable weapon.Mobile Suit Gundam: Iron-Blooded Orphans The Dainsleif was introduced as a banned weapon of war. It was a mobile suit hand held rail gun that fired rods at hyper velocity that would rip through anything it hit with ease.Black Summoner Dainsleif was the S rank sword made for Gerard Fragarach by Kelvin Celsius.
For Honor, a Viking finisher named "Dainsleif" from For Honor, a fighting game by Ubisoft.
Black Clover, a character named Zenon Zogratis, uses the sword as an ultimate finishing-move
Monster Hunter Frontier Z, 'Dainsleif' was a pair of Dual Blades that were able to be crafted as a reward for players who played consistently through Internet cafés. Its final upgrade was considered by players to be the strongest Dual Blades in the game.
In Odin Sphere, 'Dáinsleif' was featured as playable character Oswald's special skill, rather than being a physical weapon.
Valvrave the Liberator, a 2013 mecha anime, features a giant robot which is rechristened "Dainsrave" after being captured by the antagonist, Cain Dressel.