Possible Clues:

• All a lower half of this heroic heaven
• Small room backing on to bigger one, a blissful situation
• Viking afterworld
• Place to go after ascending, with endless special food?
• Installment of "Assassin's Creed" featuring Vikings
• Odin's realm
• Deity ladies perhaps put up in heaven
• 'Hall of the fallen' in Norse mythology
• Locale in Wagner's 'Das Rheingold'
• A small room turned up around lobby -- heaven!