A full fishing overhaul (new poles, bait, hooks, affinity groups, rare fish, mutation catches)
SOS treasure tiers with guardians and scaling difficulty
Pirate map encounters (separate from SOS)
The Maelstrom world event (waves, bosses, contribution rewards)
The Fishing Codex (account-wide progression and completion rewards)
Naval combat systems (ships, cannons, ammo, grappling, ship health HUD)
Sea world content (forts, shrines) and dedicated vendors