Acorn

is an object in the game.

This object isn't consumed upon usage. One Acorn can be used multiple times.

Usage
is used in:
 * Recruiting the Bandit: Acorn is the last item to give the Bandit in order to turn him into a playable character.
 * Ammo for the Pistol: Each usage of the Pistol require the Acorn as the ammo.
 * Entertaining the Merchant: You can use the Acorn as the Devil or the Granny to entertain the Merchant.
 * Waking up the Devil: You can throw the Acorn inside the Devil's Lair to wake up the Devil.