The 'Game of Thrones' cast can barely tell the difference between sword names and '80s metal bands

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"Game of Thrones" has no shortage of character names, and in the magically medieval world of Westeros even swords are given names as well. In a new charity promo for Omaze, the show's cast is put to the test in a quiz they call "Game of Thrones sword, or 80s metal band?"

First up: Crimson Death. 

Actress Lena Heady (Cersei Lannister) knew that one right away. It's a metal band.

Next up: Hearteater. 

Iwan Rheon (Ramsay Bolton), Michiel Huisman (Daario Naharis), and John Bradley-West (Sam Tarly) all guessed it was the name of a band. Wrong! Sophie Turner (Sansa Stark) sets the record straight. "Hearteater is a 'Game of Thrones' sword," she says. "It was Joffrey's and he made Sansa kiss it. That was weird."

hbo.comThe next one — Dark Sister — is tricky, because though it is a sword's name, the weapon doesn't belong to a living character on the show. Arya mentions the sword in passing during season two, when retelling the story of Visenya Targaryen to Tywin Lannister. 

Everyone gets it one wrong.

Sophie Turner gets the following sword — Oathkeeper — mostly right. She correctly identifies it as a sword, but then says it belonged to Ned. Technically, that's half true. Oathkeeper is a Valyrian steel sword Tywin Lannister had forged out of the melted down remnants of Ned's sword, Ice. Tywin gave Oathkeeper to Jaime, who in turn handed the sword to Brienne. 

Watch the full clip below, and head to Omaze in order to donate and enter to win a trip to the LA premiere of "Game of Thrones." 

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