According to classic Norse skaldic poetry, what material forms the roof of Valhalla?
Who selects the fallen warriors worthy of entering Valhalla from the battlefield?
In Norse mythology, which major deity presides over the great hall of Valhalla?
What is the primary duty of the slain warriors (einherjar) gathered in Valhalla?
How many doors are set into Valhalla, through which 800 warriors can march abreast?
Which creature's meat is continuously cooked and regenerated every single day in Valhalla to feed the warriors?
In addition to Valhalla, where do the other half of the battle-slain warriors go, selected by the goddess Freyja?
What beverage continuously flows from the udder of the legendary goat Heiðrún on top of Valhalla?