Elder Guardians should drop barbs used to craft tridents

Make the trident craftable and have each elder guardian drop 1/3 “barbs” needed in the recipe. This would be a more exciting reward for a challenging structure, would make obtaining a trident way less mind-numbingly grindy, would incentivize taking on more than one monument to be able to use the mutually exclusive enchantments available to tridents, while also giving the player a weapon that makes beating additional monuments easier. Elder guardians dropping barbs fits thematically with their thorns attack. It also could imply some interesting lore about how the drowned were created. Perhaps they were originally guardian hunters, wishing to obtain their barbs for their own weapons.