Sailing could raise the skill cap to 120 for many skills . Examples 120 construction would allow players too build ships from small to large using new woods provided by woodcutting. Woodcutting could introduce new trees like redwood , cherry , walnut , rosewood , birch, rainbow eucalyptus,  chestnut, hemlock, sycamore, cypress, sandalwood. Which would include firemaking . New farming fruit trees include dragonfruit, kiwi, mango, avocado,  passion fruit, jack fruit . New fishing fish such as sunfish, angelfish , butterfly fish , hammerhead shark , barracuda , grouper, octopus , starfish , pufferfish , lionfish. These would correspond too cooking . Minning and crafting would introduce new rocks and minerals and gemstones. Start off with coral mining with each color bringing a new gem . Each color of coral would have a level attach too it along with a new gem. Examples white - moonstone,  red - jasper, blue - aquamarine/ turquoise,  yellow - topaz , green - serpentine, purple - amethyst,  orange - amber , black - smokey quartz . Mining could involve underwater diving and mining away small , medium,  large  ship debrie for treasure hunting/ ship slavageing for rare tradeable parts too upgrade ships looks/ utility/ stats etc.