make a clan, get your friends and store as much as galleons in it, then craft perfect healing nova potions (they apply to ships, somehow), including perfect gale nova potions to give your ship the extra oomph it needs to go fast (which also works… somehow), if youre not a fan of gale, you can also use agility nova’s
clearsight, revealing and waterbreathing for diving
slowness to sabotage sea monsters
harming to kill sea monsters
electric to stun
luck for… rare dark sea exclusive items which