Herring

Herring is obtained from Gruhn the Fisher in Twin Serpent Lakes, north of the exit of Riverside Province for 5 Bog Skale Fins.

Trivia

 * This item may be a reference to the phrase "red herring".
 * This item may also be a reference to the scene in Monty Python and the Holy Grail in which the Knights who say "Ni" ask King Arthur to cut down the largest tree in the forest with a herring.