Raiders of the North Sea: Hall of Heroes
Buy this firstBGG rates it 8.21 from 3,617 ratings. BGG threads name it the usual first expansion; one player finds it drags at two players, and Garphill lists it out of stock.
Needs: Just the base game
Adds: A mead hall board, large player boards, mead to boost crews, quests, reputation and new townsfolk, plus components for a fifth player.
Fixes: Reduces randomness and gives spare hand cards a use through quests, according to BGG players.