-Aprimorate Weapons
-Weather (Nothing to agressive)
-The ability to build a boat and find abandoned ships and loot, and be able to create maps to find way back to the raft.
-Multyplayer (I know it's hard but it will be so fun)
-Ability to save animals in barrels (From animal traffiking via sea)
-Find flowers to create various colors of dye and make paint
-Ability to create Eolic Energy to create simple mechanisms to help out on work.
-Various types of fishes
-Birds, be able to cage them and eat them aswell.
-Ability to go to sea floor to find shells and old trash
-Skills (Like strength to kill sharks and cut wood faster)
-Ability to build Bed or Tent to go through night quicker.
-Find diferent seeds to have plant variations, like different trees and plants
-Some sort of Plastic to Cover a determined area from rain
Hope I could Help :D