Oak Tree

is a location in the game.

This is where the NPC (and later, playable character) the Bandit spawns.

What to do here

 * Acorn: There is an acorn seed below the oak tree.
 * The Bandit:
 * Gives him Boiled Potatoes and the whole map will be revealed.
 * After that, give him a bottle of Rum and an Acorn seed will make him join the group as a playable character.