Cadava berries were once needed during the Romeo & Juliet quest to make a cadava potion, obtained by giving the berries to the apothecary. Despite the removal of Romeo & Juliet, the potion can still be created by taking cadava berries to the apothecary, but it no longer has any practical use. The berries had no other use until 21 August 2012, when a new farmer was added to watch over the Al Kharid cactus patch for six cadava berries. Fifteen cadava berries can be used to pay a farmer to watch over fly traps.