-Mini Boat Tool: When next to water you can hop on a mini boat that allows slight faster speed when traveling by water. In addition to this mini boat there could be two small attached cross bows on each side of your Graalians that would allow you to fire in water. The crossbows would deplete ammo from your arrow inventory. There could also be a wait time to prevent players from spamming arrows at baddies/players in water for easy kills.
-Grand Chest Key: You know how there's a large amount of chests on Graal that are there for decoration rather than opening? All (or large majority) of them should be locked and openable for players with this key. They would be located in various parts of Graal for the player to search and unlock. Ranging from easy to hard locations carrying 10-100 Gralats.
-Minion: Have a little henchman follow you around Graal. You could collect different kinds in different dungeons. Even making them customizable would be cool. Each with their own special ability. Increases health by .5 every 10-15 seconds, gives small shield that breaks when hit, but saves .5 of your life, increases bomb capacity, etc.
-Pickaxe: Mine in caves for Graals one of a kind jewels in which you can sell to your local blacksmith, create furniture items with (Example: Red-Ragnarok chair), disguises being able to hide under your own rock, etc.
-Magic Ability: Each dungeon could give the player an ability that allows them to do certain things. One ability could be to slightly increase running speed for 10 seconds while another can be to create a barrier around ones self for 5. The cool down would vary for each ability depending on it's power. One would only be able to be equipped at a time.