Nightblood, Stormlight Archive Wiki

Nightblood is an Awakened sword, native to the world of Nalthis and formerly wielded by Vasher, now Zahel. Nightblood was an attempt to make a Shardblade using a different magic that turned out poorly.* It was later given to Szeth by Nale. Nightblood works on Roshar because the Awakened sword can use any form of Investiture. Brandon has also said that Shardblades are allomantically "pushable", but even the Lord Ruler (from the original Mistborn series) would have had problems pushing on it. Nigh

Nightblood, Stormlight Archive Wiki

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