First off, I will say this was partially inspired by watching Netflix's The Sea Beast movie.
So, to start I think the Hunter's Call could use some voyages, here are some examples I've thought of, that are a sort of combination between current Merchant, and Order of Souls Voyages.
Bounties:
You get a quest telling you a specific kind of megalodon was spotting near an island/at a map coordinate, and when you get there it spawns and you have to fight it.
Or, perhaps more similarly to merchant lost shipment voyages, you have to find pieces of the last ship that previously was tracking the monster, ending with the fight.
The Megalodons/Krakens you fight in this voyage would increase in difficulty the higher level you are, like other voyages.
Fishing quests:
You're tasked with catching a certain amount of a certain fish, the quest gives you a location that makes it more likely to catch them.
(higher levels require more, or more difficult to catch/more trophy fish.)
Other quests: Possibly some voyages for hunting down Ocean Crawlers or Sirens?
Trophies:
After defeating a sea-monster, (Kraken, Meg) they drop a trophy, (jaws, teeth, tentacle?) as well as the current food, the trophy can be handed in to the Hunter's Call for similar amounts of monet as a cursed chest, merchant manifest, or similar. (increasing in value the higher the level voyage)
Other Suggestions:
Remodel the Seaposts to make them more like Port Merrick and the Fortresses, and PLEASE make the water near them calm.
Possibly rework the meg fights to be a bit more exciting, rather than just having them circle and eventually going in for a bite attack, at least for the higher levels.
More sea-monsters? Perhaps a Sea-Serpent?
